powerpoint presentation how many slides for 20 minutes

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How to Choose the Right Number of Slides for a Powerpoint Presentation

Last Updated: July 12, 2023 References

Choosing the Right Number of Slides Based on Design Choices

Using time to determine the right number of slides, moving beyond formulaic answers to finding the right number of slides.

This article was co-authored by wikiHow Staff . Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. There are 10 references cited in this article, which can be found at the bottom of the page. This article has been viewed 221,022 times. Learn more...

• Keep the presentation about you, not the slideshow. [2] X Research source The slides are there to support what you have to say. They should be just one part of your presentation, not the whole thing.

• Go through your entire presentation and ask yourself if you really need a given slide. If the answer is no, or if you find you can deliver the info verbally instead, eliminate it.

• If your presentation ended well before the time limit you’ve been given, try to extend the amount of time you spend on each slide, or add extra slides to expand on the info introduced in the presentation.
• Solicit advice from family and friends during your practice presentation. If they feel there are too many or too few slides, or if they feel certain sections of the presentation felt rushed or slow, adjust your presentation to correct these deficiencies.

• One well-known formulation for PowerPoint presentations is the 10/20/30 rule. This rule dictates that you should use about ten slides for a twenty minute presentation, and each slide should utilize thirty point font. In other words, each slide should be about two minutes in length. [8] X Research source Perhaps the 10/20/30 rule works for you. If it does not, don’t feel as if you’re using the wrong number of slides.
• Others argue that an average slide should be onscreen for no more than two minutes, and can be onscreen for as little as 15 seconds. [9] X Research source

• If, on the other hand, you’re in a more intimate environment and can control the lighting, you might be inclined to utilize a greater number of slides. As always, however, don’t feel obligated to use many slides just because you can.

Community Q&A

• If your slide has embedded video, or you aren’t using one slide for each point of your presentation, you can spend longer on each slide. [11] X Research source Thanks Helpful 0 Not Helpful 0
• Treat each slide on its own merits. If one slide needs to be onscreen for two minutes, so be it. If it needs to be onscreen for ten seconds, that’s fine too. Thanks Helpful 0 Not Helpful 0
• If you have a slide with no pictures but several bullet points, each of which you intend to talk about for fifteen to twenty seconds, you might spend well over a minute on that slide. Thanks Helpful 0 Not Helpful 0

• When you take all of these factors (detail, technicality, audience size and awareness, etc.) into consideration, you can see that the only short answer to "how many slides should I use" is: "it depends." Thanks Helpful 3 Not Helpful 0

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• ↑ http://www.virtualsalt.com/powerpoint.htm
• ↑ http://www.bloomberg.com/news/articles/2006-06-01/how-to-powerpoint-like-a-pro
• ↑ http://www.shutterstock.com/blog/7-design-tips-for-effective-beautiful-powerpoint-presentations
• ↑ http://www.mrmediatraining.com/2011/03/10/the-five-most-common-powerpoint-mistakes/
• ↑ http://www.free-power-point-templates.com/articles/how-many-slides-for-a-30-minute-presentation/
• ↑ https://owl.english.purdue.edu/media/ppt/20071016041310_686.ppt

About This Article

1. Break complex slides into several simple slides. 2. Include audio and video support only as needed. 3. Time your presentation. 4. Match the number of slides to the subject matter. 5. Tailor to your audience. Did this summary help you? Yes No

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The 20-minute presentation checklist.

If you’ve been given only 20 minutes, 10 minutes, or even 5 minutes to make your point, you don’t need to jam everything you ever learned into that precious time.  It won’t make you look smarter. Let’s take a look at what’s possible.  Below are three TED Talks that I find to be amazing examples of short presentations.

How many slides should be in a 20 minute presentation?

There is a lot of advice about slides and it usually starts with a rule about what you should or shouldn’t do. My experience tells me that people often rely too heavily on slides. Don’t think of your slides as your content.

20-minute Presentation Example

Take a look at this example from a compelling presentation by Jane McGonigal titled The Game That Can Give You 10 Extra Years Of Life .

Did Jane make her point? Just like in her presentation, you should think about your slides as your co-facilitator.

In 2018 ATD published my thoughts on this in a booklet called PowerPoint: Your Co-Facilitator . When you design your slides, ask yourself how many times you want your audience looking at the slides and not listening to you? Years ago, my company, Endurance Learning , worked with a manufacturing company and reduced their slide deck from hundreds to 13 for a day and a half training session. This training program continued to be successfully implemented for years with 13 slides. The number isn’t as important as what work the slides do for you.

How many slides should you have in a 10 minute presentation?

Shorter presentations come with new challenges. In a 10 minute presentation, you should be very careful. Conventional wisdom would say that you can have roughly 5 slides at 2 minutes each. Just like when you had to edit your essay down from 3 pages to 1, a shorter presentation will challenge you to only show the slides that matter. Even the slightest change of pace or adjustment to your talking points could have you leaving slides on the proverbial cutting room floor.

10-minute Presentation Example

Take a look at this compelling presentation by Marla Spivak: Why Bees Are Disappearing.

How many slides should you have in a 5 minute presentation?

Now we’re talking! You may have gotten the sense above that the rules aren’t as important as why you’re using the slides. When you get to a 5 minute presentation (and maybe even on the 20 and 10 minute presentations), you should ask yourself why you are using slides.

5-minute Presentation Example

How important are slides in this 5-minute presentation by William Kamkwamba titled How I Harnessed The Wind ?

There are, of course, examples where you can take a short presentation with rapid-fire slides. I talked about Pecha Kucha before and showed how you can make it incredibly fun and engaging. That said, Pecha Kucha is a very specific format that is often used at events where a group of people are presenting in this format. For your 5 minute presentation, think about what you want to achieve and ask yourself if slides will be a critical part of supporting that message.

Designing Slides for Short Presentations

How can you emulate great short presentations the next time you’re asked to make a short presentation – in a staff meeting or in a public symposium?  Try incorporating the following elements:

• Give Your Presentation a Compelling Title : Who doesn’t want to know more just by reading the title?
• Find a Hook : Within the first minute, there’s a reason for me to pay attention – whether it’s looking at photos of an empty grocery store or how I can increase my lifespan. There’s something in these presentations for me .
• Remove Physical Barrier and Crutches : There’s no podium between the speaker and the audience. The speaker just feels more accessible.
• Focus on Making Attractive Visual Aids : Though PowerPoint is used, there’s not a single template. There are no bullet points. The slides have vivid, dramatic images and few words. Even statistics and scientific evidence is easy to digest. If you want to learn more consider checking out the podcast with Connie Malamed about visual design . In it she says, “When the visual design is poor, when there’s a lot of extraneous information, when things aren’t aligned, when it’s sloppy, it detracts from the learning. It makes it harder for people to visually process the screen or the slide in terms of e-learning and in terms of job aids or manuals, books, it’s the same story.”
• Encourage Active Listening : The Jane McGonigal presentation especially uses this strategy by giving the audience an assignment at the beginning (“I want you to think about how you’ll spend your extra minutes and hours of life”). She also intersperses questions throughout, inviting the audience to think for a moment before she proceeds. You should also check out the discussion with Melissa Marshall about creating engaging technical presentations . In it, she says that “… the concept of being a tour guide for the slide is even more important than it’s ever been, which is to very methodically walk people through what they should be noticing, what’s important about it.”
• Provide Concrete, Real-life Examples : We could have been exposed to the numbers of people without power in Malawi or mind-numbing charts on the science behind gaming, but the presenters instead chose to share stories and make an emotional connection. Since we live in the real world (and not in theory or in books), presentations are more gripping when they’re about what we do and how the numbers or the theories actually impact us.
• Share Your Passion : Each presenter shared their passion through their obvious preparation, their voice intonations and they allowed their personalities to show. They’re not just smart, but they care about both their topic and their audience.
• Tie It All Together : The speakers didn’t simply end by saying “thank you.” Their thank-you to the audience came in the form of a brief summary, wrap-up and call to action.

The next time you have a chance to present, don’t just do what’s easy. Use some of these tips and deliver a meaningful presentation!

What inspiration have you gotten from TED talks? Have you used this formula to sharpen your 20-minute, 10-minute or 5-minute presentation?

Brian Washburn

Brian has over 25 years of experience in Learning & Development including the last 7 as CEO of Endurance Learning.

Brian is always available to chat about learning & development and to talk about whether Endurance Learning can be your training team’s “extra set of hands”.

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How Many Slides For Presentations (10, 15, 20, 30, 40, 50, 60 Minutes)

You should limit your presentations to one slide per minute at a maximum. Try to include the least amount of slides while trying to get your message across in a concise while still complete manner.

An alternative rule is the “10/20/30 Rule,” which suggests that a good presentation will limit itself to 10 slides, last 20 minutes in length, and include a font size no smaller than 30 points.

PowerPoint presentations can be overwhelming to the point that they put off people from learning new material and discourage them from taking in the presented information.

The purpose of this article is to help people make their presentations more exciting and easier to follow and discover how many slides are generally needed so you can time your presentations accordingly.

Of course, all of the below points are just suggestions and the number of slides that you will use for your own presentation will of course depend on the content as well your target audience.

How many slides for a 10-minute presentation?

How many slides for a 15-minute presentation, how many slides for a 20-minute presentation, how many slides for a 30-minute presentation, how many slides for a 40-minute presentation, how many slides for a 50-minute presentation, how many slides for a 60-minute presentation.

A 10-minute presentation would require no more than 10 slides. It’s much better to start with too few than too many, so users will likely appreciate the shorter list of bullet points. Your goal is to provide the right amount of information for your audience to understand the topic without overwhelming them.

If you are just giving an overview of something that you want the audience to remember in 10 minutes or less, then this is probably enough. Keep your slides simple and keep them limited to two-three bullet points per slide.

A 15-minute presention should have a maximum of 15 slides. This is the right amount of information for audiences to grasp without feeling overwhelmed or bored. If you can give this type of presentation in 10 minutes or less, it’s even better.

During a 15 minute presentation. These slides should be able to cover the basics of your topic, but if you try to make it too complicated, your audience will lose interest, and you will end up wasting their time.

A 20-minute presentation should require no more than 20 slides. On average, you should only be using 5-7 bullet points on each slide. You can also include one or two images on each slide to help facilitate understanding.

If you are giving an overview of something that you want the audience to remember in 20 minutes or less, this might be the perfect time to follow the 10/20/30 rule. This concept should relate to the audience or is a key part of your speech or presentation.

A 30-minute presentation would require no more than 30 slides. You can use 5-7 bullet points per slide or 8-10 bullet points if the presentation is necessary to convey ideas in great detail. If you are including lots of images and charts to help illustrate your point, then reduce the amount of bullet points used.

It’s a good idea to follow this rule because too many slides can make it challenging to keep track of all the points you are trying to make, and your audience will be more likely to lose interest in what you’re saying or miss important ideas as they go by quickly. It’s also easier for people to focus on your presentation when it’s broken up into smaller sections.

On 30 minute presentations, it is a good idea to leave a few minutes for Q&A. This will allow your audience to ask questions about things they didn’t understand or missed in the part of the presentation. It also gives your audience a reason to get involved in the session.

For a 40 minute presentation, you should try to keep it to 40 slides maximum, you can dole out some information in detail and leave a bigger chunk of time for Q&A. People will stay attentive when the material is broken up into smaller segments.

You should keep in mind that different people respond to different mediums and will better understand an idea when it’s presented to them in a way they are accustomed to receiving information (i.e. some people benefit from text and others from images, some people need the material broken up into small pieces while others prefer a long, steady stream of information).

It will also depend on the type of presentation you are doing. If it’s a demonstration or special event, then more slides are better (and less time per slide is good). If you’re there to present statistics, research, comparison charts, etc., fewer slides with more information per slide would be best.

A 50-minute presentation should include no more than 50 slides. You can have more slides than this if you have a very engaging visual presentation with limited amounts of information per slide.

Similar to a 40-minute presentation, a 50-minute presentation can allow you to go into a lot of detail in some places and remain at a high level. You should also feel free to leave out certain information if it is not essential in a particular presentation’s overall scheme of things.

As a general rule of thumb, experienced public speakers or subject matter experts are the ones who feel the most comfortable holding longer presentations and sessions, which allows them to go into greater detail in certain areas.

If you’re new to this kind of work, it might be best to keep your presentations between 30 and 40 minutes and leave the rest of the time slot open for questions from the floor.

A 50-minute presentation would require no more than 20-25 slides, as the only purpose they serve here would be just as a reminder for the speaker to stay on point as he conveys the story to the audience.

A 60-minute presentation should include no more than 60 slides. If you have a very engaging visual presentation with limited amounts of information per slide, you can have more slides than this.

If the presentation is going to be more interactive, then it’s better to cut down on the number of slides and instead focus on how much each slide will contribute to the overall story you’re telling. You must also leave plenty of time for a Q&A session at the end. 

The number of slides for a presentation varies. While too many can bore your audience, not enough will leave them wondering what you’re talking about.

Your slides can serve as visual reminders of your talk and also help you maintain a narrative flow in your presentation. You must know what you want to accomplish with each slide, how long it will take to read the text and absorb information from a chart or graph and how much time you have for Q&A.

Remember that slides can and should be used as visual aids, not as the main point of the presentation. The speaker needs to convey that information, not just read it from their slides.

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• Presentation

How many slides in a 20-minute presentation?

• April 19, 2022

Presentations—whether they’re for business or school, they’re a part of life. One of the first things you may wonder about when you’re assigned a presentation is how long it needs to be. You may also wonder how many PowerPoint presentation slides to use per minute.

How many slides for a 20 minute presentation? This is a question that often confounds business professionals and students alike. The answer, however, is not as complicated as you might think. In this blog post, we will discuss how to create a presentation that is both effective and engaging. We’ll also provide tips on determining the correct number of slides for your PowerPoint presentation design services!

Table of Contents

1. How long is a 20-minute presentation?

The average person speaks at a rate of 125 words per minute. This means that a 20-minute presentation should be around 2500 words long. If you’re using slides as part of your presentation, you’ll want to keep this number in mind when determining how many slides to use.

If you’re unsure how long your presentation should be, you can always ask your audience how much time they have for it. This will help you to gauge how long your presentation should be and how many slides to use.

2. What are the average slide lengths for different presentations?

The average slide length for a business presentation is 40 seconds. For a student presentation, the average slide length is 50 seconds. These numbers will help you to determine how many slides you should have in your 20-minute presentation.

If you’re not sure how long your slides should be, you can always ask your audience how much time they have for your presentation. This will help you to gauge how long your presentation should be and how many slides to use.

3. How to figure out how many slides you need for a 20-minute presentation?

Now that you know how long a 20-minute presentation is and what the average slide length is, you can start to figure out how many slides you need for your specific presentation. To do this, simply divide the total number of words in your presentation by the average number of words per slide. For example, if your presentation is 2500 words long and you’re using an average of 40 words per slide, you’ll need 62.50 slides.

4. Tips for creating effective slides

Once you’ve determined how many slides you need for your presentation, it’s time to start creating your slides. When creating your slides, there are a few things you’ll want to keep in mind:

– Use images and graphics: People are more likely to remember information that is presented visually. Adding images and graphics to your slides will help make your presentation more memorable.

– Keep it simple: You don’t want to overwhelm your audience with too much information. Stick to the essentials and leave out any unnecessary details.

– Be clear and concise: Make sure your slides are easily understood. Use short sentences and bullet points to make your information easy to digest.

Tips for Creating a Short Presentation

The “Rule of Three,” a renowned writing principle, suggests that when things come in threes, they are inherently funnier, more satisfying, or more effective than other numbers of things. Think of a famous phrase or slogan and chances are it’s structured in three.

Tell them those three takeaways at the beginning.  Flush them out in the middle.  And at the end, remind them of those takeaways.  Sticking to the power of three will make your short presentations memorable and incredibly effective.

Tell A Story

Telling a story is a surefire way to wrap your audience into your message.  We do not suggest telling your story for the entire 5 – 10 minute talk.   You may tell your audience you want to share a story that will drive home your point.

Stick To Your Purpose

Many times, speakers will go over the 10-minute mark of a short presentation because they’re not staying true to the purpose of the presentation or they’re adding in too many details that really aren’t vital to the purpose. At the beginning of any presentation, you create, think about the purpose and remind yourself of it so you’ll remember exactly why you’re giving the talk, to begin with.

tips to make a good presentation

1. create an easy-to-follow structure.

• A compelling introduction . Your introduction needs to briefly sum up what you’re going to talk about and why it’s useful or relevant to your audience.
• Offer a body of evidence . The body of your presentation is where you hit ’em with the facts, quotes, and evidence to back up your main points.
• Sum up with key takeaways . The conclusion is where you loop back to your original statement and give the audience some key takeaways on how they can put into practice what they’ve learned.

2. Limit the number of copies on each slide

• No more than six words per slide . Marketing king Seth Godin says we should have just six words per slide – that’s not a lot of copy. Choose your words carefully and rewrite them until you’ve got it just right.
• Think of ‘bite-size’ information . We called ourselves Biteable for a reason: studies have shown that information is retained better when it’s broken down into bite-sized chunks. Video is a great way to learn and research suggests it’s 95%more compelling than text.

3. Have a plan for a smooth delivery

• Have a practice run-through . There’s nothing like reading it out loud to ensure your message makes sense before you actually deliver it. Try recording your presentation on video — this way you’ll be able to review it with an accurate eye and notice whether your speech matches up with your slides. It’ll also help you sort out your run time.
• Use a remote . A clicker or remote will help you face the audience and not have to keep turning back to your laptop. Sought-after public speaker Garr Reynolds says a remote is essential to pause and advance your presentation so you have time to be spontaneous and control the flow of your delivery.

As a general rule, PowerPoint slides should contain brief, useful and simple information and cannot be used without the provider of that action. Proper timing for each slide can improve your presentation as a whole, and the final result is the impact of the presentation.

How many slides are in a 20-minute presentation?

The average person speaks at a rate of 125 words per minute. This means that a 20-minute presentation should be around 2500 words long.

What are the average slide lengths for different presentations?

The average slide length for a business presentation is 40 seconds. For a student presentation, the average slide length is 50 seconds.

How to figure out how many slides you need for a 20-minute presentation?

To do this, simply divide the total number of words in your presentation by the average number of words per slide.

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How Many Slides to Use in a Presentation? 5 Tips

There’s nothing worse than a presentation that goes over time or poorly-designed slides that cram too much information onto the screen at once.

While there are a lot of things that can dictate how many slides to use in a presentation, key factors include how long you have to speak, what content you are presenting, and the visual nature of the content. (Some speakers don’t need slides at all to keep audiences engaged!)

Here, we’re breaking down common presentation times with a guide for how not to overload slides, and use them well—no matter what type of talk you are giving.

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How Many Slides for a 5 Minute Presentation?

When it comes to short presentations, you probably want to keep the number of slides to a minimum. Think about the venue here in particular. How many people are you presenting for?

Often short presentations might be for a small group or on a small screen. That’s a major consideration when it comes to how many slides you need for a 5-minute presentation.

For most speakers that comes down to 5 to 10 slides, up to 2 per minute of speaking time .

• Design for screen size. If you’ll be presenting on a desktop or laptop screen, ensure that text is large enough to read for people standing or sitting a few feet away.
• Practice your timing. Five minutes might seem like a long time until you start talking.
• Put one point on each slide. (That’s probably all you’ll have time for.)
• Include a call to action at the end for the audience. This might include anything from an email address to answer a question or provide feedback to taking a survey or visiting a website.
• Don’t include a questions slide unless you will actually have time to take questions at the end of a short presentation.

How Many Slides for a 10 Minute Presentation?

With a 10-minute you have a little more flexibility in terms of slide count.

With more time, you can vary pacing and might have time to take questions at the end of the talk. (Your slide count will be less if you cut time from your presentation to answer questions.)

For a 10-minute presentation, you’ll probably end up creating 10 to 20 slides, but don’t feel like you have to move through two slides per minute. It really depends on the complexity of the information you are talking about.

Record your presentation as you run through it. Did you finish on time? And were you able to see each slide long enough to understand it during the natural flow of the presentation before moving on to the next one?

• Include plenty of white space for an organized, easy to read design.
• Use a mix of images and text to keep the visual flow moving.
• Use legible fonts that are consistent from slide to slide.
• If a slide looks cluttered, break the content into multiple slides.
• Don’t go crazy with bullets. The goal of each slide is to present an idea, not serve as notes for you.

How Many Slides for a 15 Minute Presentation?

There’s a fairly logical relationship between the time you have to present information and how complicated the content is. The number of slides you need for a 15-minute presentation might not be that much different than at 10 minutes.

That’s because what’s on each slide might need to sit with the audience a little longer. You need to leave a chart on the screen long enough for the audience to understand it. A photo, on the other hand, can flash up and go away quickly and still be understood.

Carefully consider your presentation topic and then use this recommendation as needed: Allow for 20-30 slides for a 15-minute presentation .

• Pick a theme for each slide: Image or text? Don’t expect the audience to “read” both on every slide.
• Use image based slides to connect a short text point (or no text at all) to an idea the audience can see.
• Use text-based slides without images for more complex information or to show bullet points, charts or numbers.
• You don’t have to have a new photo and image for each slide. Use the same image and change the text if you need to. Or don’t use an image at all. Nice typography is pretty awesome.
• Include more detailed information in the notes area for you as you are giving the presentation or to the audience to download and print later.

How Many Slides for a 30 Minute Presentation?

Once you get into the territory of longer presentations, you might want to use slides of varying types – some that are super quick and others that stay visible longer – to get different points across and fit the conversational flow.

This varying approach can be interesting for the audience but might require a little math and planning on your part to determine the exact right number of slides.

Start with this formula for a 30-minute presentation :

• 4 minutes: Amount of time for opening and closing (1 slide each)
• 2 minutes: Time for each point in your presentation (1 slide per point)
• 1 minute: Time for each sub-point in your presentation (1 slide per sub-point)
• 3 minutes: Deep dive for one or two key takeways (1-2 slides)
• Flash slide (quick on and off the screen): For transitions between large topic areas or polling the audience to keep them engaged

Now you can look at your content and do a few quick calculations to get a rough idea of how many slides you might need. For a 30-minute presentation with 5 points with two subpoints each and a takeaway, that’s in the neighborhood of 20 slides.

How Many Slides for a 45 Minute Presentation?

For longer presentations, pace and energy are key. Some presenters can go through an exceptional number of slides because of the way they speak.

Seasoned speakers, often giving a presentation that they’ve done a lot of times, can average 5 slides per minute. These are fast-paced quick hit images that really keep the audience thinking and engaged. It’s a fun style but can be difficult to pull off.

A more moderate estimate is 1 to 2 slides per minute at a varying pace. That’s what you commonly see in corporate presentations and talks. (The content is often complex as well.)

• Consider location with longer presentations. Will the slides be projected on a large screen? Design for that environment.
• Include mixed media clips if appropriate in longer presentations. Varying formats can keep the audience interested.
• Use a design theme for a consistent look and feel for the entire presentation.
• Don’t let slides sit on the screen for too long. Mix it up with a new photo even if the content theme hasn’t changed much. Once you set an expectation for the audience with visuals, you don’t want them to check out.
• Make the most of the top half of the slides. If you are in a big room, sometimes the lower portion is obscured for some audience members. Even if you need to use more slides to keep content toward the top, do it.

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How Many PowerPoint Slides Should You Use in a Presentation?

Instead, you want to figure out what you want to say first . Then, after you have designed a great presentation, go back and figure out what visual aids you will need to better make your key points. The main rule of thumb is to provide only the number of slides that you absolutely need and absolutely no more than that.

So in this session, I’m going to cover a few examples for the right number of slides needed in short presentations, the long presentation, the best way to give corporate presentations.

The Max Number of Slides for a 15-Minute Presentation (or Less.)

Instead, especially for short talks, the first thing you want to do is make a list of the most important items that need to be covered in your presentation. Then, rank these items based on their list of importance. As you go down the list, you should notice that the level of importance for each item drops exponentially as you go down the list. So, instead of covering all of the items, just cover the three (or five) most important items in your presentation.

On your first slide, give an overview of all of the points. Just list them out for the audience so they can see what you will be covering. Then, create a separate slide for each of the three (or five) main points. Finally, on your last slide, just copy the content from your first slide and your introduction now becomes a nice conclusion as well.

By the way, for most business presentations, if you can deliver the important things in a 10-minute speech, you will be loved. If you require a 30-minute presentation time, the audience will like you about three times less.

For more details about how to design presentations or to use our helpful online presentation generator click here.

What If You Have an Hour-Long Talk? How Many Slides Do You Need?

Start with an introduction slide with an overview of all five bullet points. On your internal slides, just cover the single main idea for each bullet. You will have five internal slides. Then, end with your summary slide with the main concepts one more time. This repetition of the main concepts will increase the audience’s retention of the material. For the more seasoned presenter, you can use just three main bullet points but add an extra relevant story to each point. The more that you use this technique the easier you will find it to fit your content into the correct presentation length.

For instance, if you find yourself rushing at the end without enough time to finish, you can give fewer details in your stories. If you finish early, you can add more details into your examples and stories.

For a 60-minute presentation, use five bullet points and seven slides . This time insert a couple of different stories as evidence of each bullet point. I like to use the “bad example/good example” technique. On each of the internal slides, give your audience an example of yourself or someone else who did the opposite of the point. Then, follow up with a good example.

The “Bad Example/Good Example” Technique.

If I were to use the technique to prove the point that you need seven slides for an hour presentation, I could use the following…

Bad Example : A few years ago, I went to a three-day seminar where the presenter taught about how to market to universities. On the first morning, his team gave each of us a three-ring binder with hundreds of pages. I was actually pretty excited as I scanned the binder. It was full of a ton of great information. During the first hour, the speaker gave us over 50 great tips and techniques. In the next hour, he covered another 50. He did this over and over for two and a half days. Because I am a public speaking

However, a better example is…

Good Example : A few weeks ago, a long-time client asked me to design a custom workshop for his team. He had a team who were working on a project that had been discontinued. So, he wanted to help the team members have an easier time getting rehired elsewhere in the company. We created a short class for them on how to do well in a job interview. I started by making a list of the most important items they would likely want to know. Art the top of the list was how to reduce nervousness. I spent the first few minutes covering details on how to do this. Second, I gave them a simple process to help them answer questions with credibility. Finally, I gave them a list of questions they would likely be asked. I could have covered hundreds of other tips. However, these were the things that would give them the most bang-for-their-buck.

How Many Slides for a Longer Presentation

Basically, if you design a 120-minute PowerPoint presentation, start by creating two 60-minute presentations. Then, just insert a short break in between each session. When I created the two-day Fearless Presentations ® class, I didn’t start with two days of content. On the contrary, I started with an outline of the “most important” items just like what I suggested you do in your 15-minute presentation.

Here is the list that I started with:

• How to Reduce Public Speaking Fear.
• Designing Short Impromptu Speeches.
• How to Create a Presentation that Is Easier to Deliver.
• Adding Energy and Enthusiasm to Boring Topics.
• Ways to Add Impact and Interactivity to a Presentation.

If I wanted to, I could deliver the entire content of this speech in an hour-long keynote. I’d just need to insert a few examples for each point. That is pretty easy. However, if I want to turn the list into a 2-day seminar, that is pretty easy as well. I’d start with the first point, “How to Reduce Public Speaking Fear.” This becomes the topic of a new one-hour presentation. I use the same technique. “What is the most important thing I can teach the audience about reducing nervousness? What is the second most important thing? And the third thing?”

Basically, the entire two-day class is just a collection of five shorter presentations. In my entire slide deck, I use about 30 different slides in two full days.

The Guy Kawasaki 10/20/30 Rule of PowerPoint

Guy Kawasaki created an interesting PowerPoint rule for entrepreneurs coming to him for venture capital. He calls it his 10/20/30 PowerPoint Rule . This general rule is what he requires presenters to use when they come to him for help. Basically, he noticed that presenters spend too much time blathering about unimportant things. So, he gave them a guide and set time limits for each presenter.

• 10 PowerPoint Slides
• 20-Minute Presentation
• 30 Point Font

Obviously, he created these criteria for a certain type of presentation. However, his logic is sound. In fact, the only thing I might argue with him about is the 10 slides rule. Kawasaki says, “Ten is the optimal number of slides in a PowerPoint presentation because a normal human being cannot comprehend more than ten concepts in a meeting.”

Let me reiterate that. A normal human being cannot comprehend. He doesn’t say retain. The average person can comprehend more information than he or she can retain. For instance, if I read an entire book on accounting, I might comprehend all of the content. However, because the book covers so many concepts, I’m likely to retain only a few. Knowing this, reduce your number of slides and you will increase retention of your important points.

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How many slides should I have in my PowerPoint presentation?

When you’re planning out your next big presentation, it can be hard to know what the slide count sweet spot is. How many slides to put in a presentation, to keep your audience’s attention, is a much bigger question than it may seem.

We’d love to tell you there’s a simple answer, but if you really want to create a persuasive argument, there are a few variables to consider when planning the number of slides in your presentation. And despite what other articles spout, it has nothing to do with time.

We bet you’ve heard a few conflicting theories on this subject, so we thought it was about time we weighed in. You might’ve heard  Guy Kawasaki ’s 10/20/30 rule. This rule states that the “perfect” presentation has ten slides, lasts for 20 minutes, and uses a 30pt font. Or you might’ve read that every minute you speak equates to one slide on display behind you. You might even have uncovered some more formulaic and intricate theories than those, where x = the perfect number of slides. To reach x, you simply divide the number of people in the audience by how many seconds you have to speak, times that by how many steps between your house and the venue, to the power of your height in centimetres. If you’ve already worked your way through a series of varying opinions, you might currently be crying out “just tell me how many damn slides I need!”

Just tell me how many damn slides I need! You

While a lot of these theories are rooted in intelligent thinking and, sometimes, even science, we can’t get on board. They’re just too damn limiting. The people behind the theories were probably trying to over-simplify this complicated question, just to give you an answer. But do you want any answer? Or do you want the right answer?

The right answer is: you’re thinking about presentations wrong.

Do you think Jack Kerouac, Graham Greene, or Dan Brown ever sat down to write with the sole intention of landing on 432 pages? No, they had stories to tell, and it didn’t matter how many pages they took to tell them.

What makes you so different from  Kerouac ?

How many slides until there’s purpose?

You’re writing a presentation with a purpose. There’s a change you want to make, and your task is to convey your message persuasively, to inspire everyone that hears it to want the same change. Your purpose is not to fill exactly 20 minutes with exactly ten slides. It takes as many slides as it takes.

No, we’re not just going to leave you with that. We’re not trying to lose friends, clients and beloved readers.

We understand that presentations do often have a time limit, and that limit is one we have to consider when writing. But that limit needs to influence the number of ideas you try to convey, not dictate how many slides go into your presentation to convey these ideas. Because that’s what we’re really talking about here: ideas. For a shorter presentation, you’re going to need to be cut-throat with your editing. To trim the excess, until all that’s left is the most impactful, delicious centre piece. 

That doesn’t mean, if you have the freedom of time, you should use it to reel off every idea you’ve ever had. But you can allow yourself the luxury to layer linked ideas that all point towards one conclusion. To build a nest of ideas. And to support those ideas with facts, figures, previous successes, as well as other people’s ideas.

Only once you’ve written your detailed narrative structure, or your full script , if that’s how you feel most comfortable, should you even start to think about PowerPoint slides.

Give your ideas room to breathe

Each of your ideas deserves its time to shine. A dramatic pause works to let an impactful sentence sink in, giving the audience a moment to consider the gravity of the spoken word. Uncluttered slides have the same effect. If you try to include too many ideas on one slide, none of them are going to be understood, or remembered. 

If you’re just starting out in the world of persuasive communications, a good rule to follow is:  one idea, one slide . This will allow each idea to have its moment, without competing with any of the other ideas. This will also mean, visually, you’ll have more opportunity to enhance your message. With more slide real estate to play with, you can create presentation designs that hammer your ideas home, rather than confuse the situation further.

The journey of an idea:

• introduce it
• let it sink in

and signal the introduction of the next idea with a brand-new slide.

This is a great guide, for those lacking confidence, to use as a starting point. It is not a rule.

What counts as an idea?

Now, this is a much more complicated question, and one that will change for every presentation. In our role as guides in this scenario, we want to give you a tangible answer to your query, not simply introduce more questions, and more confusion, into the mix. After all, if your presentation is tomorrow and your search was the result of extreme desperation and maybe a little too much wine, well, you’re probably not reading this anymore because you’ve already poured said wine over your laptop in frustration. But if you are still with us, you’re probably really keen to get an answer right about now.

Frustration and confusion are not our goals. We just respect you too much to lie to you. We trust that you’ve caught on to the general theme that there are many considerations that go into the slide count of any presentation that comes through the Hype Presentations studio doors. Now that we’ve addressed that, we can give you a template to help you along your way.

If you’ve read any of our other  storytelling blogs , you already know that every story – this includes your presentation – needs a beginning, middle and end . Let’s break down a very basic structure, and accompanying slide count, for these three key sections.

This is where you set the scene, pique the audience’s interest, give them a clue as to what’s in it for them, and establish common ground. It might look something like this:

• Title slide : give your audience something exciting to look at, as they’re waiting for the presentation to begin. One slide.
• Agenda: lay out the journey they’re about to go on, and why it will be worth their while. One slide.
• Current situation : describe the landscape as it currently stands, making sure everyone is on the same page before you set off. No man left behind. One slide.

This is where we get into the real juicy bit of storytelling. And it’s also where all hope you had of squeezing a definitive slide count out of us will come tumbling down. 

A persuasive argument needs to acknowledge your audience’s challenges, and propose a solution to each one of them. Your audience might have one challenge, they might have 50, which is where the ambiguity kicks back in. Each challenge needs its own slide, and each solution does too. 

If your audience does have 50 challenges, try to find common themes between them, so you can address them as a cohesive group, all under one idea umbrella. Human beings find patterns comforting, so they’ll appreciate the bundling, as well as the reduced slide count.

Appealing to emotion, by showing you have the answer to your audience’s problems, is just one part of landing a persuasive argument. You also need to apply to logic and establish credibility. Again, this could take one slide, or it could take nine, but here is some general guidance:

• Case studies: one case study per slide.
• How it works: if the technology, service, or process you’re proposing is simple, showing your audience how it works may only take one slide. However, if it’s complicated, you’ll need to break it into component parts and tell this story across multiple slides. Remember, it’s about clarity and comprehension. It takes as many slides as it takes for the information to be processed.
• About you: audiences don’t care that much about how you were formed, or where your CEO worked before he came to be with you. Edit your company information down to what actually matters to them, and what will establish credibility in their eyes. If you’ve won awards that prove your innovations are the best in your field, show them the accolades. If the technology partner you work with is exclusive to you, let them know. The most effective ‘About us’ sections are one or two slides at the most. Avoid the company timeline, at all costs.

To close, you’re going to want to sum your key points up in one slide. Just a gentle reminder of the immense benefits they will receive by working with you.

And finally, your end slide should be, as the name suggests, one slide with a powerful call to action. To find out more about how to leave a lasting impression on every audience you encounter,  take a look at this article .

Even if you’re still pulling your hair out, desperately grasping for a simple number, hopefully these guidelines have given you some food for thought.

And now we’re going to complicate the already-fuzzy rules we’ve put in place. 

At Hype Presentations, we never look at the number of slides.

Give a shit, that’s what we say. Slide count doesn’t mean a damn thing. Sometimes we spread one message across five slides, because that’s how you get the animation to work seamlessly. Complicated navigation often requires duplicating slides, so that you don’t confuse PowerPoint as to where action came from. In contrast, we can present really complicated messaging on just one slide by using animation builds to break up the story, instead of a series of slides. There are so many variables. All we’re trying to say is, stop worrying yourself about slide count. 

However, some things, to do with slide count, you should worry yourself about:

Bad advice  

This is a call back to some of those other articles you likely stumbled across in your search. If you’re basing your presentation on hitting exactly one minute per slide, you’ve already lost your audience and you’re not even stood in front of them.

If you’re basing your presentation on hitting exactly one minute per slide, you’ve already lost your audience and you’re not even stood in front of them.

Are all ideas created equal? No. Does your audience care about everything you have to say in equal measure? No. Even if you’ve taken the “so what?” test, and all your messages have passed and are providing value to them, they’re not going to appreciate you skipping over important parts of the solution because the clock is ticking. 

Take time to explain the ideas with the greatest impact, and appreciate your audience’s intelligence enough to assume they’ll understand what an award means, without you describing it for a minute, just because the rule says so.

Do you need slides at all? 

Pick your jaw up off the floor. Just because we create next-level presentations day in, day out, and we absolutely bloody love PowerPoint, doesn’t mean we’re going to lead you astray. Sometimes, you just don’t need the support that slides bring. 

Slides are not there to remind you, as presenter, what your key talking points are. If you’re one of the – terrifyingly few – people who practice adequately ahead of a big presentation, you won’t need your memory jogged anyway. 

Slides are not there to tell the whole story for you. The slideshow is not the presentation. The words coming out of your mouth are what the audience came to hear. You are the star of your own presentation.

Before you start closing your laptop down in celebration, let’s take a step back and talk about why you (probably) do need slides.

What are slides for, anyway?

When  designed  and animated correctly, slides enhance your spoken message so that it’s easier to understand, easier to remember, and more persuasive. You and your slides are a team. There are some things that a visual can just do better than you can. Take, for example, a chart. You could spend half an hour painting a word picture of a chart you saw once. Or you could whack an impactful piece of data vis up on the screen and move on.

So, back to the original question you never even asked:

When might you not need slides?

If you only have five minutes to influence that desired change in the minds, hearts, and actions of your audience, an emotional and well-told story, spoken directly from your heart, without the dilution of technology or the fumbling of a slide clicker, could be the best way to get your message across. No distractions, no gimmicks, just authenticity. 

In this instance, it wouldn’t matter how many slides are in your presentation, they’re never going to be more impactful than your honesty and vulnerability.

In this short amount of time, your audience is unlikely to suffer from information overload and forget any of your messages, so you don’t need the slides for their ability to enhance memory. They’re unlikely to lose the train of your narrative, so you don’t need the slides as visual guidance. And if your story is told right, speaking to their challenges, and wrapped up in a situation that’s personal to them, you won’t need the persuasive powers of PowerPoint either.

But, nine times out of ten, a PowerPoint can only better your spoken messaging. Fact.

Nine times out of ten, a PowerPoint can only better your spoken messaging.

Extra time means extra slides 

And not just because of the extra ideas. If you’ve been asked to speak for a long time, firstly ask yourself if it’s really necessary. Can your audience concentrate for that long? Could the session be split into smaller chunks? Is it even going to be valuable for them? Do you have that many relevant ideas?

If it turns out to be necessary, there are some extra slides you’re going to want to add to your deck. Consider adding regular breaks (one slide per break), recaps (one slide per recap), even quizzes (one slide per question-answer combo) to keep your audience engaged, check understanding, and give them a chance to stretch their legs.

And, with the freedom of time, comes the opportunity to use other people’s voices to enhance your own. Consider adding relevant quotes, audio clips, or videos from recognisable people who support your message. Of course, you could animate these elements onto your slide with a click, but if you’re not that confident using PowerPoint, creating a new slide for each is an easier option.

When we’re deciding what the most impactful way to tell a client’s story is, we bring brilliant minds from each department together to throw ideas around, consider workarounds for each limitation, and push ourselves to deliver the best solution for each client. And not once do we say “But is that the right number of slides?”

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How Many Slides Does Your Presentation Need, Anyway: A No-Nonsense Guide

Hrideep barot.

• Presentation

It doesn’t matter whether it’s your first time giving a presentation or fortieth, a quintessential question that always pops up in a presenter’s mind is: how many slides should my presentation include? 

Well, this straightforward question doesn’t have a straightforward answer.

What I mean by saying this is that there is no magical number of slides that will guarantee you pocketing an outstanding presentation. Your decision on how many slides your presentation has shouldn’t be based on some rigid rule plucked from an instruction manual or the internet. 

Rather, decide the number of slides in your presentation based on your individualized requirements, as well as that of the presentation that you plan on delivering. 

However, this doesn’t mean that your presentation should drag on for hours, backed by an abysmal corpus of slides that fly past before the viewer has had the chance to fully comprehend the previous slide.  

While it’s important to be flexible in organizing your presentation, it is equally important to ensure that this flexibility doesn’t transmute into redundancy. 

Or vice versa: You don’t want to be tarrying over the same five slides throughout an hour-long presentation.  The dearth of visual cues will not only make the reader bored but might also make it difficult for the viewer to follow what you’re saying. 

So how to ensure that you hit the sweet spot every time? 

That’s what this article is all about! 

Here is a quick overview of how many slides your presentation should include:

SO, HOW MANY SLIDES SHOULD I USE ANYWAY?

To answer your question, I’ve listed out some guidelines below. However, remember that these are only guidelines.

 As I mentioned before, there is no fixed rule of thumb for the number of slides that are exactly right for any and every single presentation that you’re going to deliver over the course of your life.

Keep that in mind as you go through the rest of the article.

1 . So, what are you trying to say, anyway?

Is your purpose to show the audience X number of slides in X minutes? No!

Your purpose is to convince them. To persuade them. To make them listen and understand your message—whatever it may be.

So, the first and the most important point to determine how many slides your presentation should contain is to decide what message you’re trying to get across. If there is a particular topic that you have to speak on, stick to it.

If not, then ask yourself the following questions:

What is the purpose of my presentation or what is the main underlying message that I am trying to get across?

Who am I trying to get it across to & what is the best way to get it across to my target audience?

Once you’ve determined what you’re trying to say, move on to how you’re going to say it. Ask yourself:

Is there a time limit that I must stick to?

Is there a range or limit of slides that I have been asked to follow?

Is there a particular theme that I have been asked to follow?

What is the setting where the presentation is to be delivered?

The questions listed above contain few of the most important factors to consider before deciding upon the number of slides in your presentation.

Once you’ve determined what your main message is and if there are any guidelines that you must follow/have been asked to follow while delivering it, move on to the second guiding principle:

2 . Quality Over Quantity

As with most other things in life, when it comes to the number of slides in your presentation, quality trumps quantity.

The quality of the information included in your slide is a more appropriate determinant of its utility to your presentation than a random goal number of slides that you’re trying to hit.

Don’t just add a new slide for the sake of increasing your total number of slides or because you’re trying to meet a random number that you saw on the internet or heard an ‘expert’ on YouTube declare is the perfect number of slides to include in a presentation .

Rather, decide whether you want to include a particular slide in your presentation or not based on what value it adds to the latter.  

A rich corpus of information may impress your viewer, but might actually do nothing to expand their understanding of your presentation.

On the contrary, it might leave them confused about the actual message you’re attempting to get across, or straight up bore them and make them lose interest in the rest of your presentation.

An effective presentation should include only the key points or augment what you’re saying with the help of audio-visual stimuli.

You don’t need to list out every single thing that you’re saying in the presentation. You want the audience’s eyes to be on you and not on the screen behind you. Remember that the audience is there to see you present, and not to read what you’re trying to present.

3 . Space It Out

Imagine stepping into an over-crowded bus after a long day of hard work. The sweaty bodies brushing against you, the longing side-glances that you throw at seats that were unoccupied just yesterday but are swarming today, the arm that jostles you every time the bus slows down or lurches forward.

Now imagine stepping into the same bus the following day, only this time it is occupied by only five people instead of fifty, leaving you with an extensive array of empty seats to pick for day-dreaming upon on your way back home.

How do you imagine yourself feeling in both of the scenarios?

Most likely, the way you imagine yourself feeling in the first situation is drastically different than how you imagine yourself feeling in the second scenario.  

The first scenario probably made you feel befuddled, irritated, and overwhelmed. If you were on the bus in the second scenario, however, you would feel relaxed, comfortable, and maybe even pleasantly surprised.

Similarly, if your viewer is greeted with a presentation with a scanty number of overcrowded slides, most likely by the second or the third slide, they will find themselves annoyed, overwhelmed and unreceptive, or downright resistant to the message you’re delivering.

On the other hand, a spaced-out, attractive presentation will not only engage your reader’s attention but also make it easier for them to comprehend and retain your message.

So, make sure to space out your presentation and have appropriate ‘breathing room’ in individual slides, even if it means you have to add more of them.

For example, if there are eight comprehensive points under one topic of your presentation, instead of cramming all of them into a single slide, use one slide for one point.

Not only will this make your presentation look more physically attractive, but it will also allow you to add more visual stimuli like videos and pictures for a single point, thus helping to give a boost to your audience’s overall understanding of the material.

4 . Time Matters

Before the big day, make sure to practice delivering your presentation a couple of times. Again, there is no set rule for how many times you should practice.

Simply do it as many times as it takes for you to grow comfortable with what you’re saying and remember your topic well enough that you don’t have to keep re-checking the slides over your shoulder over and over again.

As you practice, keep a lookout for how much time it’s taking for you to reach the end of the presentation.

Are you finishing it well before your time limit? Doesn’t matter whether it’s been provided to you by someone else or is simply a target that you’ve set for yourself.

If that’s the case, then increase the number of slides in the presentation. Alternatively, if you feel like adding more slides is redundant, you could also increase the amount of time you spend explaining each slide.

Is your presentation transgressing your time limit?

In that case, you might want to go the opposite way and either decrease the number of slides in your presentation or the amount of time you spend on each slide.

If you find that you’re still struggling with timing your presentation, check out our article on 11 Steps To Help You Keep Time During Your Presentation for some killer tips on timing your presentation!

What is the speed at which you speak? Are you someone who speaks slowly, using eloquent words and slotting in substantial pauses between sentences for added impact? Or do you tend to breeze through your words, keeping your sentences brusque and the tempo of your speech swift?

What is the capacity of your target audience? Are they experts on the topic or novices—this is an important determinant of how much time you’re going to need to spend on each topic/slide.

If your audience is a complete newbie to the topic, you might be required to spend more time describing terms and topics that might have been otherwise familiar to a person who is already well-versed with what you’re saying. This will come into play for you to determine how many slides to include.  

You could also ask a mentor or a family member to provide feedback on your presentation. Ask them if they feel you’ve spent too long lingering over a particular slide or if you’ve breezed through a topic so quickly that they’re left confused.

Try incorporating their feedback in your presentation. However, remember that at the end of the day, you know your topic best and you’re the one who’s going to be delivering it. Don’t take their feedback as gospel, but as guiding principles.

5 . So, who are you presenting it to, anyway?

Everybody expert has a different idea about how many slides is the “correct” number of slides to have in a presentation. Some people believe that five slides are enough for a twenty-minute presentation, others believe that twenty slides are the best bet for a presentation of the same length.

However, as I’ve mentioned before, there is no set formula for the perfect presentation length. 

An array of different factors, and not a single rule, should be kept in mind while determining the length of an individual presentation.

One of the most important factors, besides the audience and the subject matter, is the venue of your presentation. Are you going to deliver your presentation in a workplace or for a school project?

Are you going to be delivering it to a large audience on a big screen or is the setting more intimate, with just a couple of important people as viewers?  

If you’re going to deliver a presentation to a big audience, it’s better to minimize the importance of the presentation and focus more on the speech part of your delivery. If the setting is more intimate (eg: if you’re delivering it to your colleagues), you could get away with utilizing a larger number of slides. 

6 . The Battle Of Slides: Low Count vs. Medium Count vs. High Count

All three types of slide use have their own advantages and disadvantages. 

Low Slide Count :

If you’re using a low number of slides (ranging from 1-10 slides, depending on the total duration of the presentation), then the focus of the audience will naturally be directed towards yourself.

This will increase the relative importance of not only what you’re saying, but also how you’re saying it, as the audience will be able to focus more on your gestures, your body language, and your expressions, all of which are important modes of communication. 

However, if you’re someone who’s not very comfortable with public speaking, this might turn out to be a disadvantage instead of an advantage, as too many eyes might make you feel self-conscious. If you like this type of approach but are afraid of having too many people looking at you , check out our article on Public Speaking For Introverts: The Why, What & Who (An A-Z Guide) , for some tips and tricks to deliver an awesome presentation!

Medium Slide Count:

If there is a lot of important information that you must include in the presentation, don’t cram it all in a few slides just to cut the length of your presentation. 

Instead, you could go with a more moderate amount of slides. Here, you’re looking at a range of about 1-2 slides per minute, which leaves you with about 30-60 slides for an hour-long presentation.

This is the average length of most types of presentations. This number of slides will allow you to spread out your topics and not force you to cram a lot of information in a handful of slides. 

On the other hand, if you’ve not practiced enough, you might end up losing track of time and spend too long on a particular slide, thus disrupting your time limit. Also, if you add slides just for the sake of increasing your slide count, your audience might pick up on this and you may end up losing their attention, which is crucial to delivering a successful presentation.

High Slide Count:

Many people also prefer using a high number of slides, firing through upwards of 5 slides per minute. This rapid-fire style keeps the audience riveted and engaged, as they have to keep be attentive and stay on the lookout for every new slide.

However, if you’re not well-versed or don’t have enough experience with delivering these types of presentations, your efforts might backfire and make your presentation seem too cluttered and your ideas too far-flung for them to make sense to your audience.

7 . Design Matters Too

The design of your presentation is another important determinant of how many slides it’s going to contain. If, for instance, your presentation involves a lot of visual imagery (for instance, if you’re presenting a new design of a product), the number of slides is going to be more.

This is because, in order to draw attention to the pictures, you might end up employing one slide for a single picture, thereby increasing your slide count, even if the actual points or written material is not as exhaustive.

On the other hand, if your slide involves a lot of textual material (for instance, if you’re giving a business presentation), then the number of slides that you use might be less, as a multitude of related points might be fixed on a single slide instead of being spread across multiple slides.

In this scenario, you might end up spending more time on a single slide instead of quickly firing through many of them as it contains more points to be explained and expanded upon.

Similarly, if your presentation contains an equal amount of pictures and explanations (for instance, if you’re doing a school presentation), then your slide count might fall somewhere between the two examples mentioned above.

GETTING A LITTLE MORE SPECIFIC…

I’ve listed below a general range that you can follow while laying down the skeleton of your presentation. Again—and I cannot stress this enough—remember that these are only guidelines.

• Five Minutes Presentation: In the exceptional scenario that you’ve been asked to deliver a presentation lasting under five minutes, you can get away with using fewer slides, somewhere between 5—10. After all, you simply won’t have the time to breeze through 20—30 slides (unless, of course, your presentation involves displaying a lot of pictures, in which case it’s generally wise to use one picture per slide).
• Ten Minutes Presentation: For a presentation that’s to be wrapped up in under ten minutes or less, you can stick to the general guidelines listed above. Anything between 5—20 slides is a good number to aim for.
• Fifteen Minutes Presentation: For a moderate-length presentation lasting somewhere around fifteen minutes, you might want to consider using more slides. A general range is something between 15—30 slides, although you can play around with the number depending on how much time you’re going to be spending on each individual slide and other factors listed in the article.
• Twenty/Thirty Minutes Presentation: Guy Kawasaki advocates a 10/20/30 rule i.e your presentation should have 10 slides, last 20 minutes, and not contain any font smaller than 30pts. However, you don’t necessarily have to follow such a rigid structure. As the length of your presentation increases, it becomes less and less important to ponder over how many slides it exactly has. You can aim for whatever number feels natural to you.
• Forty-Five/Sixty Minutes Presentation: As the length of your presentation increases, chances are that your audience’s attention span will begin to waver or reduce. While you can follow the above-listed guidelines for a sixty-minute presentation as well, for a speech of this duration, it’s important to give prominence to other factors as well. Keep your slides attractive and engaging. Try to include more pictures in each slide. Another important factor is to continue interacting with your audience or involve them in your presentation—this will keep them attentive and less susceptible to boredom.

The above-listed guidelines will help you lay down the structure of your presentation, however, the actual delivery of it is up to you. Choose whatever method suits best your goal and feel the most natural to you. Remember that it is your presentation. You get to decide how to present it.

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How Many PowerPoint Slides Does a Presentation Need?

Maybe you’ve been in this situation: A colleague is giving a presentation. While he’s talking, you’re shown a huge number of slides; the information literally flies past you. While you’re still thinking about the third slide, he’s already moved on to slide seventeen. Or vice versa: A 60-minute presentation is supported by a few short slides. It’s difficult to follow the presentation and keep track of information because there is basically no visual support.

Neither of these two presentations makes much of an impact. And the presenter doesn’t necessarily do himself any favors either. This shows that choosing the right number of slides in presentations is pretty important.

Presenting with PowerPoint: How many slides are ideal?

First of all: there’s no magic number. Nobody can tell you, “A new slide every two minutes is the secret to success.”  Every presentation is unique. Every presenter has his or her own goals and needs. And, every presentation situation is different.

So, although it’s ultimately up to you to decide on the right number of slides for your presentation, there are a few guidelines you can follow.

Seven rules for choosing the right number of slides for your presentations

Quality over quantity.

Presentation slides should never be a constant flow of data and text. Your audience should be listening to you, not reading. When everything you say is also presented on your slides, it becomes pretty redundant.

A good presentation slide should provide an overview of the key points or augment them with audio-visual material. It should support the presentation, not become it. Keep it clear and brief.

Portion out your information

We’ve become used to everything coming to us quickly and automatically. But communicating information doesn’t always work like that. Compare it to a good meal. Instead of piling it all up and eating it in one bite, savoring every bite is a much more enjoyable experience.

And that’s exactly how you should communicate information during your presentation. It’s “more appetizing” and “easier to swallow” for the listener if it’s portioned out. Just because you have enough space on a slide for several important points doesn’t mean you have to use them all. Distribute important points over several slides to emphasize their importance and focus the audience’s attention on them.

For example, if you are referring to a product range, don’t list product A, product B and product C on one slide, but create a single slide for each. These can then be enhanced with pictures or keywords. This of course increases the number of your presentation slides, but it maximizes their impact.

As much as necessary, but as little as possible

This is where efficiency really comes into play. It’s all about making sensible cuts. Slides can and should support a presentation. They can provide a guideline, provide additional visual information or simply relax the presentation a bit. As already mentioned, text should not play too much of a role on your slides.

Always question the purpose of material, such as pictures or graphics, and how useful they are for your presentation. Ger rid of anything that seems superfluous or unnecessary or that can be communicated verbally.

What is useful and what can be cut is of course up to you to decide! Although a cartoon or caricature might not be relevant to your topic, it could be a fun way to loosen things up.

Also keep in mind that the number and detail of your slides will affect hoe flexible you can be during the presentation. You are locked into your slides and their content, and the more of them you have, the less chance you have to diverge from them. This can help if you are feeling a little shaky or nervous. But keep this in mind if you’re someone who likes a bit of leeway and to talk freely.

• Practice makes perfect!

We love telling kids to practice things they don’t feel confident about. So why don’t we that ourselves? A great way to see if a presentation works is to run through it at least once in advance – kind of like a dress rehearsal.

Doing this in front of friends or family can provide you with valuable feedback. But even alone in front of a mirror or with an imaginary audience can work. You’ll quickly see where the problems lie, whether you have enough time and whether the slides fit into the presentation.

If you find that your presentation is finished faster than planned, you can add additional information and slides. If, on the other hand, you had problems completing the presentation within the allotted time and couldn’t discuss individual slides or had to skip them, it’s time to make some cuts.

Naturally, the pace at which you speak plays a big role. Those who speak quickly can cover lots of slides in a short time. If you speak slowly, you will of course achieve less. Ideally, you should speak at a pace that is comfortable for the listeners and allows them to follow the presentation. Again, this takes practice! No matter how quickly or slowly you speak, you should be able to present your slides comfortably.

Less is more

Some presenters like to keep a few slides “on ice” just in case there is time left or they feel they haven’t covered everything. This is an option but not really recommended. If the extra slides in your presentation are skipped over, the audience can easily feel that you’re cutting things short and they’re missing something that may be important.

On the other hand, there are also presenters who opt for a minimalist approach to their slides to allow for flexibility or to simplify their presentation. Even this can be irritating or distracting to the audience, as they’re not getting enough visual content.

There should be neither too many nor too few slides. Obviously, this is easier said than done. What is important and what is unimportant, what is helpful and what impedes your presentation is ultimately your decision. Trust your instincts and rely on your expertise.

There’s always an x factor!

Another reason why there is no patent solution for the perfect presentation is that there are so many variables that can affect a presentation. Factors such as topic, audience and location should always be taken into consideration when it comes to the scope and structure of slide presentations.

Things to keep in mind:

• The topic. The number of slides that are required and helpful in presentations depends greatly on the topic. For example, pictures or graphics are best suited if you want to explain technical processes, discuss building progress or new products, or present business figures and statistics. It makes little sense to cut down on relevant content just to keep the number of slides low. If your topic is a bit dry, visual material can help keep your audience interested. If your topic relies more on verbal explanations and your slides are there to provide some visual guidance, it wouldn’t make sense to add slides.
• The audience. Who your audience is plays a factor in how many slides you need. Here’s an example: You probably won’t need slides that explain and illustrate technical terms when presenting to an audience of experts in that field. But, if you’re communicating the same content to non-experts or an inexperienced audience, you will definitely need the visual material to clarify and simplify these same technical terms.

The room. The best presentation slide is not worth much if the audience can’t see it. Bad lighting an/or poor sight lines may prevent important content from being effectively communicated. This can be frustrating for both you and your audience. If you know the room isn’t well let or half your audience may not be able to see your presentation, think about investing less work in the slides and focusing more on the oral presentation. On the other hand, a room that offers excellent technical equipment can be a major asset, allowing you to add more audio-visual material, such as background music, to your presentation.

Trust your own expertise!

This point summarizes something fundamental; opinions are everywhere. Even something as seemingly innocuous as the optimal number of slides for a presentation is open for debate.  There’s a wealth of advice from experts on how many slides are right for presentations.

Don’t forget that none of these expert opinions were formed with your exact presentation style and topic in mind. And the recommendations often vary widely. While some recommend 40 slides in ten minutes, others recommend just two slides in ten minutes. In the end, you are the expert; you know how many slides you need.

This also applies to the time spent on each slide during the presentation. Not all slides are created equal – some need less time, some need more. It always depends on the structure and content of the slide. Don’t worry if you spend several minutes on one slide, but only seconds on another – that’s perfectly fine.

Expert opinions: helpful, but not mandatory

You can of course reference well-known presentation methods if you feel more confident using a given guideline. But make sure it fits and works with your presentation. Here are some well-known methods for slide presentations:

10/20/30 – The Kawasaki method:

Perhaps the best known and most commonly used method is the 10/20/30 rule by Guy Kawasaki. It specifies that ten slides be used in a 20-minute presentation. A font size of at least 30 should be used for text. This equals to about two minutes per slide – a standard rule for presentations. This method can be great for beginners or inexperienced speakers. However, it’s not an iron-clad rule and can be adapted to fit your needs.

The Pecha Kucha method:

The Pecha Kucha method is becoming more popular. The method comes from Japan and translates to “constantly talking”. Pecha Kucha is based on very rigid guidelines regarding time and the number of slides. A Pecha Kucha presentation contains 20 images. Each image is shown for exactly 20 seconds. The speaking time amounts to exactly 6 minutes and 40 seconds. The clear, simple rhythm seems to be what makes this method so successful. Here too, feel free to adapt the rigorous rules for yourself.

The Lessig method:

The Lessig method is basically a speed slideshow. This interesting presentation technique uses a large number of slides with a fast transition between slides. It allows 15 seconds (or even less) per slide, which is about four slides per minute. Due to the fast changes, the audience has little chance to drift off and is drawn into the presentation. Of course, the spoken part of the presentation needs to be perfectly synchronized with the slides. This requires practice and can make the method pretty challenging for the presenter, especially beginners.

 The Takahashi method:

The Takahashi method follows a similar principle as the Lessig method. Again, the slides only appear for a few seconds at a time. The special feature: all slides contain only one or a few words in a large font. They’re meant to underscore what the presenter is saying. Like the Lessing method, the audience’s attention is key. This method provides the presenter with key points which can make presentation tools, such as index cards unnecessary. Of course, this method is not recommended for presentations that require images, graphics or other similar visual material.

As you can see, there are many different approaches and ideas. Which method is the right one for you? The answer is up to you. It’s your presentation after all. If one of these methods and its defined guidelines works well for you, use it! Otherwise, pick and choose what you like from it and adapt it to your presentation.

Other useful PowerPoint tips:

• Your preparation should never start with your slide presentation – this should be one of the final steps. Many presenters take the opposite approach and design their presentation around their slides. This creates a false focus – the slides aren’t the focus, the presentation is. Prepare your content first and then decide how to present it in a meaningful way.
• When timing your presentation, remember to leave some room for questions, discussion or other delays. 80% of your time should be given to your actual presentation. If you take longer than planned and exceed your time, you’ll notice your audience quickly becoming restless and disinterested. If you finish a bit earlier, that’s ok. Never try to stretch the presentation unnecessarily by adding something or jumping back to a point in the presentation. Allow time to focus on your audience’s questions and comments.
• Expect the unexpected and be flexible. You may find that your audience is already pretty familiar with some of your content. If this happens, keep the presentation moving and focus more on other points. You may also need more time for questions or clarifications. This is normal during a presentation. Don’t let it throw you off balance.
• Take time to check whether all the technical equipment is working and familiarize yourself with the settings and operations. This is especially true if you work with embedded video or audio.
• Don’t give the slide presentation too much importance! Research shows that 90% of the impression a presenter makes depends on the way he or she speaks, particularly their voice and body language. It might be worthwhile to spend more preparation time on your delivery than on text and slides.
• Slide presentations are now so common in meetings that speakers feel obligated to use them. They really do offer wonderful possibilities and can be an asset to both the speaker and the audience. But this is not always the case. Not every topic needs audio-visual support via a slide presentation. And not every speech benefits from it either. Unless you’ve been explicitly told to use one, don’t feel you need to use a slide presentation if you don’t think it works for your topic.

A final word of advice:  

The biggest stumbling block in presentations is usually not the slide presentation itself, but the uncertainty of the presenter. Your listeners have probably given presentations themselves and are familiar with the challenges. They’ll most likely be forgiving of a few slides too many or too few. Stay poised and be yourself. A perfect but lifeless presentation often makes less of an impact than one with personality and a few rough edges.

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How Many Slides Do You Need For A Whatever-Minute Presentation?

Yousef "yoyo" abu ghaidah.

• May 9, 2018
• One Comment

“How many slides do I need for a 10 minutes presentation?”

“I have 30 minutes. Do I need 30 slides?”

“I have a 60-minute presentation coming up and I don’t want to bore my audience to death with slide-overload. What do I do?”

If I had a dollar for every time I get a question like these, I’d be a millionaire.

It’s time to put the age-old PowerPoint question to rest. How many slides do you  really need for your next presentation, regardless of the time set?

Here’s your answer: As many as you need, but within reason .

I know, I know. You’re looking for a quick and simple solution that you can use right now. But trust me, you’ll get what I mean after reading this post.

Rules Don’t Apply … Sort Of

There are so many rules out there that you’ve probably heard of.

“Only use five slides.”

“Keep it to one slide for every three minutes.”

Even presentation pros like Guy Kawasaki will advocate for the 10/20/30 rule (10 slides, 20 minutes, 30 point font).

These rules aren’t necessarily wrong, but I do feel they overlook one of the most important factors in your presentation: Your message.

When you apply a general rule-of-thumb to the content you want to present, you’re going to end up limiting yourself. That sort of practice can be bad for you, and even worse for your audience.

Look at it this way: Do you think J. K. Rowling was thinking about how many pages she would need to get Harry Potter out to the world?

Of course not. Her priorities were centered down to the plot, how the characters express themselves, the intricacies between the hero and the villain, and so on.

Rowling’s only true goal was to write a fictional novel so epic that it would appeal to the masses.

Do I need to tell you how hugely successful she was a result of that approach?

Take the same principle and develop as many slides as you need to capture every meaningful component of your message.

Remember, slides are empty canvases for your information. You can put a single word and a picture to demonstrate your point or 500 words and a chart to do the exact same thing.

But practice this approach with caution. Don’t just cram in slides for the sake of doing so.

Only bring the slides that express the value of your content. Nothing more, nothing less.

Time Allocation is Crucial

Time is the most precious thing we have in this world , and it is certainly the one thing you  NEED  to respect when it comes to your audience.

That said, there is a misconception about time limits in presentations that you need to be aware of.

Avoid going for the minute(s)-per-slide approach. Many presenters feel that sustaining this number is crucial for delivery. For example, if someone was preparing 10 slides for a 10-minute presentation, then that same person may feel dedicating 1 minute per slide is the way to go.

Don’t do this, because  how you allocate your time should be completely up to you.

I’ve witnessed presenters spend 10 seconds on one slide only to spend five minutes on another, and they were extremely effective in their delivery.

The slide that took five minutes to present was also the slide that needed five minutes of my time to understand. This highlighted that the slide in question was meaningful, insightful, and followed a pace that I was comfortable with.

That’s the key take away. Dedicate more of the time given to you to the content that matters most.  This approach should allow you to gauge just how many slides you need to bring in.

So, How Many Slides Do You Really Need?

All you have to do is answer two simple questions:

• “How many slides do I need to get my message across?”
• “What pace would my audience feel comfortable with?”

With the ‘right’ answers, you’re almost certain to get the perfect number of slides for your presentation, every single time.

You’re The Special Ingredient

Whatever number you go for, remember that your slides should only be seen as the tools you need to get your message across.

Sure, designing beautiful slides will help, but they won’t do the work for you.

Rely on yourself to get your message out there. Your tone, body-language, and passion are what truly can make or break your presentation.

Dang…I needed this LOL. Thank you for decreasing my stress.

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How many powerpoint slides do you need for your presentation.

How many PowerPoint slides should you include when preparing for a presentation? 

And the answer is… as many as you need!

You may have heard all kinds of suggestions. Some experts might say you should have a specific number of slides per minute. However, this isn’t the best way to approach your presentation. If you want to create an engaging presentation , you must change your outlook on presenting. 

Here are the 4 factors that impact how many PowerPoint slides you will need for your presentation.

4 Factors that Impact How Many PowerPoint Slides You Need

Only have one idea per slide.

Great presentations are not measured by the number of slides. Memorable presentations are engaging and insightful. The speakers often have excellent storytelling skills and give the audience a clear call to action . Before you count the number of slides, you must present with a strong foundation. 

Forget the 10/20/30 rule (10 slides, delivered in 20 minutes, with a minimum font size of 30). Your PowerPoint slides should not be measured by time per slide. Instead, there is one big factor that can impact how many slides your presentation has. 

And that is the complexity of your ideas. 

The more complex your idea, the more slides you will need to clearly convey the points you are trying to make. You might wonder, “How many PowerPoint slides do I need for a complex idea?”

The practice is to limit yourself to one idea per slide. 

As you design your PowerPoint slides, ask yourself, “What is the one thing I want my audience to take from this slide?” That way, as you transition from slide to slide, your audience will easily follow you from idea to idea. If you put too many ideas into your presentation, you might confuse your audience. If they are confused, they might even stop listening entirely!

Don’t count your slides. Make each slide count. 

Cut, Cut, and Cut!

The best way to ensure you have the right number of slides for your presentation is only to include absolutely necessary information. If there’s content that doesn’t add value or support your main points, then leave it out. Typically, people put too much information into one slide which leads to confusion. 

Reduce your content and text until the message is crystal clear. The audience should not have to read so many slides to understand your point. Your slides should aid their understanding.

Don’t make your audience work hard during your presentation. Instead, help them by providing a smooth transition from one slide to the next.

Make Use of Visuals

Focus on how visuals can help to convey your main message points. When it comes to text on PowerPoint slides, less is more. The challenge with having too much text is that it takes your audience’s attention away from your presentation. Instead of listening they will be reading your slides. 

That is why visuals can help you with your presentation. By using pictures, diagrams, graphs and other visuals, you can convey more information to your audience faster. In fact, studies have shown that the human brain processes visual information 60,000 times faster than text. 

Consider Your Audience

When creating your PowerPoint slides, be sure to consider your audience’s needs. Ensure that your text is correctly sized at a minimum of 28 point font and is easy to read. 

In addition, here are a few questions to consider when you speak to your audience

How experienced is your audience with your topic?

What is their level of expertise with the topic?

Do they have any prior knowledge about the topic, or are you introducing something new to them?

What actions do you want them to take at the end?

Coaching and Training for Business Presentations

When it comes to delivering memorable presentations, it boils down to the basics. You may quickly go over one slide and spend more time on another. Therefore, there is no rule for having a specific number of slides per minute. 

If you want to discuss your organisation’s (corporate, NGOs, Associations and Universities) Public speaking or Presentation skills needs, I offer free 30-minute consultations through my site. I’d love to meet you.

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Ace the Presentation

How to Effectively Manage Time During a Presentation? Short and Long Ones!

Slides are one of the best ways to engage an audience and nail a presentation. Nowadays, people use the most efficient and practical skills to make the slides clear, easy to understand. However, most people struggle to plan and manage time in their presentations.

How Many Slides are Suitable for Finishing a Presentation on Time?

The general rule says 1 to 2 slides per minute. However, it is critical to note that the presentation’s number of slides will vary according to the topic complexity, audience, available time, presentation structure and format, and goal. Good planning, rehearsal, and delivery skills are essential!

To be more specific, if you have too many slides in a presentation at the range of 3 to 15 minutes, you will end up confusing your audience or spending a significant part of your time explaining the slides. It does not mean you have to prepare a lot of information and squeeze it into few slides, and the best practice is to summarize your content to understand it easily.

From 25 minutes to 60 minutes, you can make a considerable number of slides. Some experts recommend 1 to 2 slides per minute, but as I said before, it will depend on the topic. Imagine that one of your slides contains graphs about some work you have been doing that can take more than 2 minutes, and it is important to explain it in detail to the audience.

It all starts with planning, researching, organizing all the collected data, prioritizing your key points, and making a structure. After this exercise, it will be easier to know how many slides you will have according to your given time.

To sum this up, there is no exact rule to set a number of slides for a given time frame, and it will vary according to the topic, your research, and your presentation skills. All you have to do is to balance the slides with your speech and time.

How many Slides for a 3-minute Presentation?

For a 3-minute presentation, the presenter should use four slides. Depending on how the slides are structured, 15 seconds to 2 minutes can be spent on each slide.

What really matters is not the amount of the slides but the quality. You can make three powerful slides and nail your presentation or make 5 with too much content and ending up having a boring presentation.

A good practice for a 3 minutes presentation is to keep it clean and straightforward. Keep in mind that slides are more engaging with visuals rather than texts. And on your speech, be as brief as possible, make a 15 to 20 seconds introduction, and do the same on the conclusion.

How many Slides for a 5-minute Presentation?

Five minutes is enough time to deliver your message and engage your audience with content that is straight to the point. The only thing you need to do is keep in mind that every second of your time counts a lot for your presentation.

How many Slides for a 10-minute Presentation? 

The Rule of Thumb for a 10-minute presentation is having 10-12 slides. Presenters with good skills use up to 30 seconds per slide to keep it nice and engaging. This time frame is suitable for elaborately introducing the subject or topic, diving deep into it, and highlighting the key points.

According to your topic, you can even make eight slides considering the fact that slides are only the guide of your presentation. That is why it is essential to make an excellent structure to organize your content on the slides properly; this will help you to put aside unnecessary data and focus only on what is essential for the audience.

How many Slides for a 20-minute Presentation?

According to  Guy Kawasaki , a 20-minute presentation should have ten slides where each slide utilizes a 30 point font. Using this rule of 10/20/30, the speaker would spend up to 1 minute per slide, which gives time for even allowing 1 or 2 questions from the audience.

To structure a 20 minutes presentation using the rule of 10/20/30 from  Guy Kawasaki , you have to use the first slide to introduce your subject, case study, or others, and from the second slide, start diving deep until you get to the conclusion.

In some cases, each slide has a different theme, and you will need to approach them differently. Having different themes per slide will require you to summarize each slide’s content in under a minute.

Although the Rule of Guy Kawasaki is suitable for a 20-minute presentation, you can set your own number of slides according to your subject and how much time you spend on a single slide as long as you deliver the message properly and engage your audience.

How many Slides for a 25-minute Presentation?

For a 25-minute presentation, the general rule is to use 20 to 30 slides. By spending up to two minutes per slide and focusing on the main subject, the speaker can keep the audience engaged for this period of time. 

Kawasaki believes that a human being can comprehend at least ten concepts in a meeting. In other words, you have to include in your topic or subject up to ten themes to be discussed. Any More than that can make your audience get confused or bored.

In this given time frame, you now have the opportunity to interact more with the audience, start with a quote, let them raise some clarification questions, and get more involved with them. 

How many Slides for a 30-minute Presentation?

Experts recommend 30 to 40 slides to make a memorable presentation. With 30 minutes, the presenter has more options compared to when the given time frame is short. Consider making the content as straightforward as possible. Also, make two paragraphs per slide at the most.

This technique will allow the audience to read all the information on the slide easily and quickly and move to the next one alongside you. If you add too much content on one slide, the audience will likely read something that you are not explaining yet or the opposite.

But you can make more than 40 slides and still have a memorable presentation in just 30 minutes, and I will explain to you how. Well, if you want your audience to understand clearly each content of your slide, make it one paragraph or one sentence, and use more visuals.

Using this method, you will spend 1-2 seconds per slide, and the audience will understand way better seeing the visual (which counts more than text). The explanation is gradual from the beginning to the end.

How many Slides for a 45-minute presentation?

As a general rule, for a 45-minute presentation, between 20 and 50 slides would grant a memorable presentation. Spending 1-2 minutes per slide, the speaker will have time to make a great introduction, interact more with the audience and have a questions and answers session.

A 45-minutes presentation is in the range of long times ones, and in these cases, you have to use the slides very carefully, making them proportional to your presentation time. Consider having a wristwatch to control your time.

A good practice is to use the slides only to guide your speech during the presentation, but you will need to master them. Rehearse the most important of each slide to make sure you spend the right time, or even less. This time management will give you an advantage because you will have enough time to make a great conclusion.

How many Slides for an hour Presentation?

Experts recommend 30 to 60 slides for a 60-minutes presentation. This period of time gives the speaker two main options: summarize the content in 30 slides or make a structure that allows one theme per slide. These two options also give more time to interact with the audience make a great introduction and conclusion.

Both of them are OK. But there are aspects that you have to consider; if you are preparing few slides, you will need to train how to summarize content to make sure you don’t spend too much time explaining all the points or having your audience stuck on reading your slide. 

And if you are planning to make one theme per slide to facilitate the understanding to the audience, make sure you spend 30 seconds at the most. But also consider having black screen slides to make pauses or small breaks and entertain or reengage your audience.

How many Slides for a 90-minute Presentation?

A 90-minutes presentation should have not more than 60 slides. In this situation, the speaker will need to know how to keep time on presentations. Experts recommend up to 2 minutes per slide, but depending on how the presentation is flowing, spending more than 2 minutes per slide is possible.

If you fail to make these pauses to double-check if the audience is on the same page with you, you will be running a risk of going back from almost the end of the slides to the first ones to explain something that the audience did not get very well.

How many Slides for a two-hour presentation?

A two-hour presentation would need 60-80 slides to deliver the message memorably. Some experts recommend one theme per slide to make it clear and easily understandable. Keep in mind that a presentation this long requires careful planning and a very well-organized structure.

Generally, a presentation with more than one hour of duration is for professional speakers who can deal with time management. The best way to not have your audience boring is to use the method of one idea per slide; it will make them easily understand each part of your content.

How many Slides for 2+ hours presentations?

Presentations with more than two hours should have not more than 80 slides. Long presentations with over 2 hours, the speaker can organize the information in order to spend 2-3 minutes per slide. 

120+ minutes is considered an extended time frame; a good practice is to keep the slides brief and clean to ensure your audience won’t get exhausted.

What are the skills needed to Deliver Long Presentations or Speeches?

For long presentations, several skills are required to ensure successful delivery, such as:  

• Time management;
• Engaging the audience
• Solid posture
• Good eye contact
• Controlling your voice, and more. 

All these skills will keep your audience engaged and entertained, and make sure you reserve 15-20 minutes for questions and answers after a long presentation or speech.

How to keep time in your presentation?

First of all, to have complete control of your time on stage, you have to write the schedule of time you will spend on each part of your presentation, something like setting time for your opening, how long time you will spend on the introduction, how long time you reserve for questions and answers, etc.

Make sure you start your presentation on time. If you fail this step, then everything that comes ahead may also delay and end the presentation after the scheduled time. You also need to plan how long your speech will take and have a clock to control it.

Planning is also crucial to keep time on your presentation. The main thing in the plan to deliver your message is the structure of your content. A good structure will allow you to know how much time you will spend on each point.

I have an excellent article with  a guide for outlining your speech , which should help you nail this part of the process. A  good speech outline  is key in managing presentation time.

And last but not least, you need to rehearse before you go on stage. It will allow you to know how much time you need for the presentation and practice to see if you need to remove or add something to your presentation to make it perfect.

Why do people usually fail to finish a presentation within the stipulated time?

Generally, people fail to finish a presentation on time because they do not make a good plan, underestimate rehearsing, and fail at an impromptu delivery attempt at the last minute. What commonly happens is that people make too many slides and fail to go from one to another on time. The rule of thumb says that 1-2 minutes per slide is enough using standards.

Another session that makes speakers fail to finish the presentation in time is the question and answers. This mistake happens when the speaker does not practice enough or predict questions that may come and end up thinking about the answer when the question is raised.

Not setting time for each session of your presentation also makes you not finish on time. This mistake will cause you to take longer at one point or another, especially if you don’t have a clock to keep track of the time.

How to keep your Presentation Brief and Clear

To keep a presentation brief and clear, organize your content to be only one theme per slide. To be more specific, consider having one paragraph or idea per slide, one that is concise, straightforward, and should also include minimalist visuals. 

The design is also essential to help you get a clean design. Choose a layout that comfortably suits your text and image. Another detail is the color, which has to be neutral to help the reader focus on the content only. 

For More Tips on Designing and Nailing a Presentation, open the recommended articles below.

Designing a Killer Presentation in 8 Steps

Planning and performing a presentation that meets expectations and involves the public requires a lot of care. The details involved in holding a talk will be super important to ensure her success and approval from those who participated. Therefore, we have prepared a post with a few crucial steps that you should follow to organize…

What Makes a Great Presenter? 9 Key Qualities to Look for!

Want to Stand Out? 15 Key Tips for an Awesome Presentation

In conclusion, the number of slides a presentation should have for a given time depends on who is presenting and the topic or subject. And also, it varies according to the methods that you use to deliver your message. As long as it reaches the audience properly and on time, the number of slides should be the least of your concerns. 

But you can follow the standards that some experts recommend for a presentation from 3 minutes to 120+ minutes. For example, Guy Kawasaki recommends the rule of 10/20/30 for a 20 minutes presentation. This rule of thumb allows you to have ten slides to be presented in 20 minutes, and the font should be 30 points. 

This example shows that you can follow the standards and still have a successful presentation. the main thing you have to do, is a good planning, a good structure, and make your content brief and clear, that will help them understand and enjoy your presentation 

References and Further Reading

How to Create a Killer 5-Minute Presentation (hubspot.com)

How Many Slides For A Whatever-Minute Presentation? (slidecow.com)

https://www.soappresentations.com/how-many-slides-should-be-used-for-a-60-minute-presentation/

The ideal number of slides for an hour-long presentation, and other thoughts on preparing slides | I’d Rather Be Writing Blog (idratherbewriting.com)

Presentation Slide Counts (duarte.com)

3 Ways to Choose the Right Number of Slides for a Powerpoint Presentation (wikihow.com)

Brevity, Clarity and Wit: 10 Commandments for a 10-Minute Talk | Cath Lab Digest | HMP Global (hmpgloballearningnetwork.com)

How Many Slides to Use For a 5, 10, 15+ Minute Presentation (tutsplus.com)

The 10/20/30 Rule of PowerPoint – Guy Kawasaki

How Many Slides to Use in a Presentation? 5 Tips | Design Shack

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How Many Slides for a 30 Minute Presentation

Last updated on May 25th, 2023

30 minute presentations are very common in different situations and scenarios. Some business meetings are arranged for 30 minutes only, and then the PowerPoint presenter can eventually be available for questions or to exchange ideas with the audience. Also, during a presentation in the classroom, a 30 minute presentation is good to leave more space for other student presentations during the same day. This way, many groups can perform the presentation in a single day.

But the question here is, how many slides for a 30-minute presentation? And of course, it is not an accurate answer since every slide and presenter is different and it could take less or more time. But as a rule of thumb, we can get some estimates about how many slides to include in 30 minutes PowerPoint presentation .

Let’s start thinking on this idea. If we have to perform a presentation in 30 minutes and we want to make it on time, let’s imagine every slide should take 2 minutes as most. Then, using 15 slides we’ll be able to present it in a timeframe of 30 minutes.

As a rule of thumb, consider:

• Estimate how much time do you require to present your slides in average and add 30 more seconds to the result.
• Then divide 30 minutes by the time spent on a single slide.
• The result will give you an idea about how many slides for 30 minutes.

Why are we adding 30 more seconds to every new slide? It is very common that we as presenters underestimate the length in minutes for a slide, so by adding a few more seconds for every slide, we’ll be safe in the total presentation time.

Why 30 minute if you can present it in 20 minutes and using less slides?

Alternatively, suppose you need to wrap a presentation in 5-minute presentation, 10-minutes or 20 minutes. In that case, you should be aware that are some well-known methodologies, rules and frameworks that are interesting to know in advance. For example, 10/20/30 Rule of PowerPoint is a rule that  Guy Kawasaki is evangelizing and that is a very simple concept.

10/20/30 Rule of PowerPoint. It’s quite simple: a PowerPoint presentation should have ten slides, last no more than twenty minutes, and contain no font smaller than thirty points.

by using 10/20/30 rule of PowerPoint for example, you can make less boring presentations, with only 10 slides and no font smaller than thirty point.

How many words to include in a 10 minute presentation speech?

There are many different classifications and estimates, but as a general rule, presenters can consider a speech takes 100 to 200 words per minute. Having this in mind, how many slides should we use in a 10-minute presentation ? The answer is simple, a 10-minute presentation would require between 1000 to 2000 words.

Similarly, if you have a 30 minutes presentation, it would take between 3000 and 6000 words.

The 5 by 5 rule in PowerPoint

There are many other rules that can help to estimate the time taken by presenters to deliver a speech. For example, the 5 by 5 rule in PowerPoint is a rule that will keep your audience from feeling bored and overwhelmed. In this rule, you should keep the text on each slide reduced at the minimum. Keep it short and straight to the point. For example, in the 5 by 5 rule, you can spend up to 5 words per line of text, 5 text lines per slide.

To keep your audience from feeling overwhelmed, you should keep the text on each slide short and to the point. Some experts suggest using the 5/5/5 rule for presentations : no more than five words per line of text, five lines of text per slide, or five text-heavy slides in a row.

If you need to prepare a presentation of a different length, then our other guides can help you. For example, in How Many Slides for a 45 Minute presentation can help to decipher how many slides to include in a longer presentation, which is sometimes useful for trainings and courses.

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How-To Geek

6 ways to create more interactive powerpoint presentations.

Engage your audience with cool, actionable features.

Quick Links

• Add a QR code
• Embed Microsoft Forms (Education or Business Only)
• Embed a Live Web Page
• Add Links and Menus
• Add Clickable Images to Give More Info
• Add a Countdown Timer

We've all been to a presentation where the speaker bores you to death with a mundane PowerPoint presentation. Actually, the speaker could have kept you much more engaged by adding some interactive features to their slideshow. Let's look into some of these options.

1. Add a QR code

Adding a QR code can be particularly useful if you want to direct your audience to an online form, website, or video.

Some websites have in-built ways to create a QR code. For example, on Microsoft Forms , when you click "Collect Responses," you'll see the QR code option via the icon highlighted in the screenshot below. You can either right-click the QR code to copy and paste it into your presentation, or click "Download" to add it to your device gallery to insert the QR code as a picture.

In fact, you can easily add a QR code to take your viewer to any website. On Microsoft Edge, right-click anywhere on a web page where there isn't already a link, and left-click "Create QR Code For This Page."

You can also create QR codes in other browsers, such as Chrome.

You can then copy or download the QR code to use wherever you like in your presentation.

2. Embed Microsoft Forms (Education or Business Only)

If you plan to send your PPT presentation to others—for example, if you're a trainer sending step-by-step instruction presentation, a teacher sending an independent learning task to your students, or a campaigner for your local councilor sending a persuasive PPT to constituents—you might want to embed a quiz, questionnaire, pole, or feedback survey in your presentation.

In PowerPoint, open the "Insert" tab on the ribbon, and in the Forms group, click "Forms". If you cannot see this option, you can add new buttons to the ribbon .

As at April 2024, this feature is only available for those using their work or school account. We're using a Microsoft 365 Personal account in the screenshot below, which is why the Forms icon is grayed out.

Then, a sidebar will appear on the right-hand side of your screen, where you can either choose a form you have already created or opt to craft a new form.

Now, you can share your PPT presentation with others , who can click the fields and submit their responses when they view the presentation.

3. Embed a Live Web Page

You could always screenshot a web page and paste that into your PPT, but that's not a very interactive addition to your presentation. Instead, you can embed a live web page into your PPT so that people with access to your presentation can interact actively with its contents.

To do this, we will need to add an add-in to our PPT account .

Add-ins are not always reliable or secure. Before installing an add-in to your Microsoft account, check that the author is a reputable company, and type the add-in's name into a search engine to read reviews and other users' experiences.

To embed a web page, add the Web Viewer add-in ( this is an add-in created by Microsoft ).

Go to the relevant slide and open the Web Viewer add-in. Then, copy and paste the secure URL into the field box, and remove https:// from the start of the address. In our example, we will add a selector wheel to our slide. Click "Preview" to see a sample of the web page's appearance in your presentation.

This is how ours will look.

When you or someone with access to your presentation views the slideshow, this web page will be live and interactive.

4. Add Links and Menus

As well as moving from one slide to the next through a keyboard action or mouse click, you can create links within your presentation to direct the audience to specific locations.

To create a link, right-click the outline of the clickable object, and click "Link."

In the Insert Hyperlink dialog box, click "Place In This Document," choose the landing destination, and click "OK."

What's more, to make it clear that an object is clickable, you can use action buttons. Open the "Insert" tab on the ribbon, click "Shape," and then choose an appropriate action button. Usefully, PPT will automatically prompt you to add a link to these shapes.

You might also want a menu that displays on every slide. Once you have created the menu, add the links using the method outlined above. Then, select all the items, press Ctrl+C (copy), and then use Ctrl+V to paste them in your other slides.

5. Add Clickable Images to Give More Info

Through PowerPoint's animations, you can give your viewer the power to choose what they see and when they see it. This works nicely whether you're planning to send your presentation to others to run through independently or whether you're presenting in front of a group and want your audience to decide which action they want to take.

Start by creating the objects that will be clickable (trigger) and the items that will appear (pop-up).

Then, select all the pop-ups together. When you click "Animations" on the ribbon and choose an appropriate animation for the effect you want to achieve, this will be applied to all objects you have selected.

The next step is to rename the triggers in your presentation. To do this, open the "Home" tab, and in the Editing group, click "Select", and then "Selection Pane."

With the Selection Pane open, select each trigger on your slide individually, and rename them in the Selection Pane, so that they can be easily linked to in the next step.

Finally, go back to the first pop-up. Open the "Animations" tab, and in the Advanced Animation group, click the "Trigger" drop-down arrow. Then, you can set the item to appear when a trigger is clicked in your presentation.

If you want your item to disappear when the trigger is clicked again, select the pop-up, click "Add Animation" in the Advanced Animation group, choose an Exit animation, and follow the same step to link that animation to the trigger button.

6. Add a Countdown Timer

A great way to get your audience to engage with your PPT presentation is to keep them on edge by adding a countdown timer. Whether you're leading a presentation and want to let your audience stop to discuss a topic, or running an online quiz with time-limit questions, having a countdown timer means your audience will keep their eye on your slide throughout.

To do this, you need to animate text boxes or shapes containing your countdown numbers. Choose and format a shape and type the highest number that your countdown clock will need. In our case, we're creating a 10-second timer.

Now, with your shape selected, open the "Animations" tab on the ribbon and click the animation drop-down arrow. Then, in the Exit menu, click "Disappear."

Open the Animation Pane, and click the drop-down arrow next to the animation you've just added. From there, choose "Timing."

Make sure "On Click" is selected in the Start menu, and change the Delay option to "1 second," before clicking "OK."

Then, with this shape still selected, press Ctrl+C (copy), and then Ctrl+V (paste). In the second box, type 9 . With the Animation Pane still open and this second shape selected, click the drop-down arrow and choose "Timing" again. Change the Start option to "After Previous," and make sure the Delay option is 1 second. Then, click "OK."

We can now use this second shape as our template, as when we copy and paste it again, the animations will also duplicate. With this second shape selected, press Ctrl+C and Ctrl+V, type 8 into the box, and continue to do the same until you get to 0 .

Next, remove the animations from the "0" box, as you don't want this to disappear. To do this, click the shape, and in the Animation Pane drop-down, click "Remove."

You now need to layer them in order. Right-click the box containing number 1, and click "Bring To Front." You will now see that box on the top. Do the same with the other numbers in ascending order.

Finally, you need to align the objects together. Click anywhere on your slide and press Ctrl+A. Then, in the Home tab on the ribbon, click "Arrange." First click "Align Center," and then bring the menu up again, so that you can click "Align Middle."

Press Ctrl+A again to select your timer, and you can then move your timer or copy and paste it elsewhere.

Press F5 to see the presentation in action, and when you get to the slide containing the timer, click anywhere on the slide to see your countdown timer in action!

Now that your PPT presentation is more interactive, make sure you've avoided these eight common presentational mistakes before you present your slides.