Change the size of your slides

Basic steps

To change the slide size:

  1. Select the Design tab of the toolbar ribbon.

  2. Select Slide Size Slide Size icon near the far right end of the toolbar.

  3. Select Standard (4:3 aspect ratio) or Widescreen (16:9) or Custom Slide Size.

Comparison of standard (left) and widescreen (right) slide-size ratios

For more about the predefined sizes (including formats like Overhead, A3, A4, Banner, B4, and B5) or your own custom sizing, click a heading below to expand it and see the details.

Detailed steps

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab of the toolbar ribbon
  2. Select Slide Size, and then select either Standard (4:3) or Widescreen (16:9).

    Slide Size button in the Customize group

    When PowerPoint is unable to automatically scale your content, it prompts you with two options:

    • Maximize: Select this option to increase the size of your slide content when you are scaling to a larger slide size. Choosing this option could result in your content not fitting on the slide.

    • Ensure Fit: Select this option to decrease the size of your content when scaling to a smaller slide size. This could make your content appear smaller, but you’ll be able to see all content on your slide.

      Ensure or maximize fit

The 16:9 widescreen setting is the default value for new presentations you create. When you change the slide size for a presentation, the size you choose only applies to that presentation.  However, you can make it easy to create a new 4:3 presentation for yourself whenever you want—by defining a custom theme that uses the 4:3 aspect ratio. See Make a new slide size the default for new presentations below.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab of the toolbar ribbon
  2. Select Slide Size, and then select Custom Slide Size.

    Custom Slide Size menu option
  3. In the Slide Size box, click the down arrow next to Slides sized for and select an option. Their dimensions are listed below:

    Name

    Width

    Height

    On-screen Show (4:3)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Letter Paper (8.5x11 in)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Ledger Paper (11x17 in)

    13.319 in / 33.831 cm

    9.99 in / 25.374 cm

    A3 Paper (297x420 mm)

    14 in / 35.56 cm

    10.5 in / 26.67 cm

    A4 Paper (210x297 mm)

    10.833 in / 27.517 cm

    7.5 in / 19.05 cm

    B4 (ISO) Paper (250x353mm)

    11.84 in / 30.074 cm

    8.88 in / 22.556 cm

    B5 (ISO) Paper (176x250mm)

    7.84 in / 19.914 cm

    5.88 in / 14.936 cm

    35 mm Slides

    11.25 in / 28.575 cm

    7.5 in / 19.05 cm

    Overhead

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Banner

    8 in / 20.32 cm

    1 in / 2.54 cm

    On-screen Show (16:9)

    10 in / 25.4 cm

    5.625 in / 14.288 cm

    On-screen Show (16:10)

    10 in / 25.4 cm

    6.25 in / 15.875 cm

    Widescreen

    13.333 in / 33.867 cm

    7.5 in / 19.05 cm

    Overhead provides an aspect ratio very close to the standard 4:3 slide size.

    There are two options for 16:9 aspect ratios:

    • On-screen Show (16:9) sets the slide dimensions to 10 in x 5.625 in.

    • Widescreen sets it to 13.333 in x 7.5 in.

      Both of these options are the same aspect ratio so they will look the same in Normal View, since PowerPoint automatically adjusts the zoom level. Widescreen (13.333 in x 7.5 in.) provides more slide surface area for the content, so that is the best choice for presentations. Widescreen won’t fit on an 8.5" x 11" sheet of paper without you having to scale it down.

    Widescreen or On-screen Show 16:9
  4. Select OK to accept the dimensions and close the Slide Size dialog box.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab of the toolbar ribbon
  2. Select Slide Size, and then select Custom Slide Size.

    Custom Slide Size menu option

    The Slide Size dialog box opens.

  3. In the Slide Size dialog box, ensure the orientation is set the way you want it.

  4. In the Height and Width boxes, PowerPoint accepts measurements in inches, centimeters, or pixels. Type a number followed by a space and then the appropriate abbreviation: in, cm, or px.

    Width or Height

    Minimum:   

    1 in

    2.54 cm

    120 px

    Maximum:   

    56 in

    142.24 cm

    720 px

    PowerPoint then converts measurements, if necessary, to the type of unit your operating system uses.

  5. Click OK.

    When PowerPoint is unable to automatically scale your content, it prompts you with two options:

    • Maximize: Select this option to increase the size of your slide content when you are scaling to a larger slide size. Choosing this option could result in your content not fitting on the slide.

    • Ensure Fit: Select this option to decrease the size of your content when scaling to a smaller slide size. This could make your content appear smaller, but you’ll be able to see all content on your slide.

      Ensure or maximize fit

You can change the unit of measure that is shown in PowerPoint dialog boxes if you like.

  1. Start PowerPoint.

  2. On the File tab of the toolbar ribbon, select New. Then double-click the Blank Presentation to create a new, empty presentation.

  3. Then on the Design tab, click Slide Size. If you want a 4:3 default, select Standard (4:3) from the Slide Size drop-down list.

    Custom Slide Size menu option

    (If you want a different default slide size, select Custom Slide Size and then choose your size in the Slide Size dialog box, and then click OK.)

  4. On the Design tab, click the More arrow in the bottom-right corner of the Themes group: More arrow

  5. Select Save Current Theme.

  6. Give your theme a name that you'll remember easily and click Save. Don't change the folder that the new theme is to be saved in.

  7. On the Design tab, click the More arrow again in the bottom-right corner of the Themes group. You'll see your newly saved theme under a Custom group.

  8. Right-click that new custom theme under the Custom heading, and then select Set as Default Theme:

    Right-click the new theme shown under the "Custom" heading, and then choose "Set as Default Theme."
  9. Close PowerPoint. Don't save any files if it prompts you.

  10. Open PowerPoint again. On the File tab of the toolbar ribbon, select New.

    The custom theme that you just saved is listed at the top left corner, named Default Theme. The thumbnail image looks like a widescreen slide, but in reality, when you create a new presentation based on that theme, the presentation has the aspect ratio that you've defined for this default theme.

The next time you open PowerPoint, you'll see your default theme in the upper-left of the theme gallery. When you select it, all the slides will be the custom size you chose by default.

Do you not have a widescreen projector? Tell us what kind of projector you use by going to PowerPoint for Windows UserVoice Forum. This will help us prioritize new features in future updates.

Sizing applies to all slides in a presentation

Some folks have asked about resizing one slide within a presentation. PowerPoint isn't able to do that. All slides in a presentation are the same size.

Orientation applies to all slides in a presentation

Some folks have also asked about changing the page orientation of certain slides. PowerPoint isn't able to do that. All slides in a presentation have the same page orientation.

See Also

Change the page orientation in PowerPoint between landscape and portrait

Use portrait and landscape slide orientation in the same presentation

Reduce the file size of a picture

Basic steps

To change the slide size:

  1. Select the Design tab of the toolbar ribbon.

  2. Select Page Setup Page Setup icon on the left end of the toolbar.

  3. In the Page Setup dialog box, under Slides sized for, choose the predefined size you want, or choose Custom and specify the dimensions you want.

Comparison of standard (left) and widescreen (right) slide-size ratios

For more about the predefined sizes (including formats like Overhead, A3, A4, Banner, B4, and B5) or your own custom sizing, click a heading below to expand it and see the details.

Detailed steps

  1. On the Design tab of the Ribbon, select Page Setup.

    On the Design tab of the Ribbon, select Page Setup.

    The Page Setup dialog box opens.

  2. Select the Slides Sized for list to open it, and then select one of the options.

    The choices and their measurements are listed below:

    Name

    Width

    Height

    On-screen Show (4:3)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    On-screen Show (16:9)

    10 in / 25.4 cm

    5.625 in / 14.288 cm

    On-screen Show (16:10)

    10 in / 25.4 cm

    6.25 in / 15.875 cm

    Letter Paper (8.5x11 in)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Ledger Paper (11x17 in)

    13.319 in / 33.831 cm

    9.99 in / 25.374 cm

    A3 Paper (297x420 mm)

    14 in / 35.56 cm

    10.5 in / 26.67 cm

    A4 Paper (210x297 mm)

    10.833 in / 27.517 cm

    7.5 in / 19.05 cm

    B4 (ISO) Paper (250x353mm)

    11.84 in / 30.074 cm

    8.88 in / 22.556 cm

    B5 (ISO) Paper (176x250mm)

    7.84 in / 19.914 cm

    5.88 in / 14.936 cm

    35 mm Slides

    11.25 in / 28.575 cm

    7.5 in / 19.05 cm

    Overhead

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Banner

    8 in / 20.32 cm

    1 in / 2.54 cm

    Custom

    n/a

    n/a

    Overhead provides an aspect ratio very close to the standard 4:3 slide size.

  3. Click OK.

    When PowerPoint is unable to automatically scale your content, it will prompt you with two options:

    • Maximize: Select this option to increase the size of your slide content when you are scaling to a larger slide size. Choosing this option could result in your content not fitting on the slide.

    • Ensure Fit: Select this option to decrease the size of your content when scaling to a smaller slide size. This could make your content appear smaller, but you’ll be able to see all content on your slide.

      Ensure or maximize fit

  1. On the Design tab of the Ribbon, select Page Setup.

    On the Design tab of the Ribbon, select Page Setup.

    The Page Setup dialog box opens.

  2. Select the Slides Sized for list to open it, and then select Custom at the bottom of the list.

  3. In the Height and Width boxes, specify the dimensions you want.

    The unit of measure for these boxes is determined by your computer's operating system. If you need to convert from one system to another, see an online converter such as UnitConverters.net.

    The minimum and maximum dimensions that PowerPoint accepts are:

    Width or Height

    Minimum:   

    1 in

    2.54 cm

    120 px

    Maximum:   

    56 in

    142.24 cm

    720 px

You can change the unit of measure that is shown in PowerPoint dialog boxes.

Sizing applies to all slides in a presentation

Some folks have asked about resizing one slide within a presentation. PowerPoint isn't able to do that. All slides in a presentation are the same size.

Orientation applies to all slides in a presentation

Some folks have also asked about changing the page orientation of certain slides. PowerPoint isn't able to do that. All slides in a presentation have the same page orientation.

See Also

Change the page orientation in PowerPoint between landscape and portrait

Use portrait and landscape slide orientation in the same presentation

Reduce the file size of a picture

Basic steps

To change the slide size:

  1. On the File menu, select Page Setup.

  2. In the Page Setup dialog box, under Slides sized for, select the predefined size you want, or choose Custom and specify the dimensions you want.

Comparison of standard (left) and widescreen (right) slide-size ratios

For more about the predefined sizes (including formats like Overhead, A3, A4, Banner, B4, and B5) or your own custom sizing, click a heading below to expand it and see the details.

Detailed steps

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab on the toolbar
  2. Select Slide Size.

    Shows the Slide Size button

  3. Select Standard (4:3) or Widescreen (16:9).

    Shows the Slide Size menu

PowerPoint may prompt you about scaling your content. Choose one of the following options:

  • Scale: Select this option to decrease or increase the size of your slide content. When scaling to a smaller slide size, this could make your content appear smaller, but you’ll be able to see all content on your slide.

  • Don't Scale: Select this option to maintain the size of your slide content. Choosing this option could result in your content not fitting on the slide.

    When you change slide sizes, PowerPoint asks whether to scale your content to fit on the slide.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab on the toolbar
  2. Select Slide Size.

    Shows the Slide Size button

  3. Choose Page Setup from the menu that appears.

    Shows the Slide Size menu

    Page Setup gives you an assortment of predefined slide/page size options. The options and their dimensions are listed below:

    Name

    Width

    Height

    On-screen Show (4:3)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Letter Paper (8.5x11 in)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Ledger Paper (11x17 in)

    13.319 in / 33.831 cm

    9.99 in / 25.374 cm

    A3 Paper (297x420 mm)

    14 in / 35.56 cm

    10.5 in / 26.67 cm

    A4 Paper (210x297 mm)

    10.833 in / 27.517 cm

    7.5 in / 19.05 cm

    B4 (ISO) Paper (250x353mm)

    11.84 in / 30.074 cm

    8.88 in / 22.556 cm

    B5 (ISO) Paper (176x250mm)

    7.84 in / 19.914 cm

    5.88 in / 14.936 cm

    35 mm Slides

    11.25 in / 28.575 cm

    7.5 in / 19.05 cm

    Overhead

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Banner

    8 in / 20.32 cm

    1 in / 2.54 cm

    On-screen Show (16:9)

    10 in / 25.4 cm

    5.625 in / 14.288 cm

    On-screen Show (16:10)

    10 in / 25.4 cm

    6.25 in / 15.875 cm

    Widescreen

    13.333 in / 33.867 cm

    7.5 in / 19.05 cm

  4. In the Slide Size box, click the down arrow next to Slides sized for and select an option.

    Overhead provides an aspect ratio very close to the standard 4:3 slide size.

    There are two options for 16:9 aspect ratios:

    • On-screen Show (16:9) sets the slide dimensions to 10 in x 5.625 in.

    • Widescreen sets the dimensions to 13.333 in x 7.5 in.

      Both of these options are the same aspect ratio so they will look the same in Normal View, since PowerPoint automatically adjusts the zoom level. Widescreen (13.333 in x 7.5 in.) provides more slide surface area for the content, so that is the best choice for presentations. Widescreen won’t fit on an 8.5" x 11" sheet of paper without you having to scale it down.

    There are several predefined slide-size options in the Page Setup dialog box
  5. Select OK to accept the dimensions and close the Slide Size dialog box.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab on the toolbar
  2. Select Slide Size, and then click Page Setup.

    Shows the Page Setup option on the Slide Size menu

    The Page Setup dialog box opens.

  3. In the Width and Height boxes, PowerPoint accepts measurements in inches, centimeters, or pixels. Type a number followed by a space and then the appropriate abbreviation: in (inches) or cm (centimeters) or px (pixels).

    PowerPoint then converts the measurements, if necessary, to the unit of measurement your operating system uses.

    Width or Height

    Minimum:   

    1 in

    2.54 cm

    120 px

    Maximum:   

    56 in

    142.24 cm

    720 px

  4. Click OK.

    PowerPoint may prompt you about scaling your content. Choose one of the following options:

    • Scale: Select this option to decrease or increase the size of your slide content. When scaling to a smaller slide size, this could make your content appear smaller, but you’ll be able to see all content on your slide.

    • Don't Scale: Select this option to maintain the size of your slide content. Choosing this option could result in your content not fitting on the slide.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab on the toolbar
  2. Select Slide Size, and then select Page Setup.

    Shows the Page Setup option on the Slide Size menu

  3. Follow the steps in the prior section to choose the slide size you want.

  4. On the Design tab, click the More arrow below the standard themes.

    Shows the More arrow under the standard themes

  5. Click Save Current Theme at the bottom of the window.

    Shows the Save Current Theme option on the More menu

  6. Give your theme a name that you'll remember easily and click Save.

  7. On the Design tab, click the More arrow below the standard themes again. You'll see your newly saved theme under Custom.

    Shows a new theme in the Custom group

  8. Right-click your new custom theme, and then click Set as Default Theme.

    Shows the Set as Default Theme option for a custom theme

The next time you open PowerPoint, you'll see your default theme in the upper-left of the theme gallery. When you select it, all the slides will be the custom size you chose by default.

Sizing applies to all slides in a presentation

Some folks have asked about resizing one slide within a presentation. PowerPoint isn't able to do that. All slides in a presentation are the same size.

Orientation applies to all slides in a presentation

Some folks have also asked about changing the page orientation of certain slides. PowerPoint isn't able to do that. All slides in a presentation have the same page orientation.

See Also

Change the page orientation in PowerPoint between landscape and portrait

Basic steps

To change the slide size:

  1. Select the Design tab of the toolbar ribbon.

  2. Select Slide Size Slide Size icon near the far right end of the toolbar.

  3. Select Standard (4:3 aspect ratio) or Widescreen (16:9) or Custom Slide Size.

Comparison of standard (left) and widescreen (right) slide-size ratios

For more about the predefined sizes (including formats like Overhead, A3, A4, Banner, B4, and B5) or your own custom sizing, click a heading below to expand it and see the details.

Detailed steps

  1. On the Design tab of the toolbar ribbon, click Slide Size in the Customize group.

    Options for slide size are available near the right end of the Design tab of the toolbar ribbon in PowerPoint Online
  2. Click Standard (4:3) or Widescreen (16:9).

    When PowerPoint Online is unable to automatically scale your content, it prompts you with two options:

    • Maximize: Select this option to increase the size of your slide content when you are scaling to a larger slide size. Choosing this option could result in your content not fitting on the slide.

    • Ensure Fit: Select this option to decrease the size of your content when scaling to a smaller slide size. This could make your content appear smaller, but you’ll be able to see all content on your slide.

      Select Maximize to take full advantage of the space available, or select Ensure Fit to make sure that your content fits on the vertical page

The 16:9 widescreen setting is the default value for new presentations you create. When you change the slide size for a presentation, the size you choose only applies to that presentation. 

You can also change the orientation of all the slides in your presentation. See Change the page orientation for instructions.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab of the toolbar ribbon
  2. Select Slide Size, and then select Custom Slide Size.

    Custom Slide Size menu option
  3. In the Slide Size box, click the down arrow next to Slides sized for and select an option. Their dimensions are listed below:

    Name

    Width

    Height

    On-screen Show (4:3)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Letter Paper (8.5x11 in)

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Ledger Paper (11x17 in)

    13.319 in / 33.831 cm

    9.99 in / 25.374 cm

    A3 Paper (297x420 mm)

    14 in / 35.56 cm

    10.5 in / 26.67 cm

    A4 Paper (210x297 mm)

    10.833 in / 27.517 cm

    7.5 in / 19.05 cm

    B4 (ISO) Paper (250x353mm)

    11.84 in / 30.074 cm

    8.88 in / 22.556 cm

    B5 (ISO) Paper (176x250mm)

    7.84 in / 19.914 cm

    5.88 in / 14.936 cm

    35 mm Slides

    11.25 in / 28.575 cm

    7.5 in / 19.05 cm

    Overhead

    10 in / 25.4 cm

    7.5 in / 19.05 cm

    Banner

    8 in / 20.32 cm

    1 in / 2.54 cm

    On-screen Show (16:9)

    10 in / 25.4 cm

    5.625 in / 14.288 cm

    On-screen Show (16:10)

    10 in / 25.4 cm

    6.25 in / 15.875 cm

    Widescreen

    13.333 in / 33.867 cm

    7.5 in / 19.05 cm

    Overhead provides an aspect ratio very close to the standard 4:3 slide size.

    There are two options for 16:9 aspect ratios:

    • On-screen Show (16:9) sets the slide dimensions to 10 in x 5.625 in.

    • Widescreen sets it to 13.333 in x 7.5 in.

      Both of these options are the same aspect ratio so they will look the same in Normal View, since PowerPoint automatically adjusts the zoom level. Widescreen (13.333 in x 7.5 in.) provides more slide surface area for the content, so that is the best choice for presentations. Widescreen won’t fit on an 8.5" x 11" sheet of paper without you having to scale it down.

    Slide-size options in PowerPoint Online
  4. Select OK to accept the dimensions and close the Slide Size dialog box.

  1. On the Design tab of the Ribbon, locate Slide Size in the Customize group, near the far right end of the toolbar.

    The Slide Size button is at the far right end of the Design tab of the toolbar ribbon
  2. Select Slide Size, and then select Custom Slide Size.

    Custom Slide Size menu option

    The Slide Size dialog box opens.

  3. In the Width and Height boxes, type a measurement in inches. PowerPoint doesn't accept measurements outside the minimum and maximum show below:

    Width or Height

    Minimum:   

    1 inch

    (One inch is equal to 2.54 cm.)

    Maximum:   

    56 inches

    (Fifty-six inches is equal to 142.24 cm.)

  4. Click OK.

    When PowerPoint Online is unable to automatically scale your content, it prompts you with two options:

    • Maximize: Select this option to increase the size of your slide content when you are scaling to a larger slide size. Choosing this option could result in your content not fitting on the slide.

    • Ensure Fit: Select this option to decrease the size of your content when scaling to a smaller slide size. This could make your content appear smaller, but you’ll be able to see all content on your slide.

      Select Maximize to take full advantage of the space available, or select Ensure Fit to make sure that your content fits on the vertical page

See Also

Change the page orientation in PowerPoint between landscape and portrait

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