Aspect ratio calculator

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To change the slide size:

Select the Design tab of the toolbar ribbon.

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Select Slide Size

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near the far right end of the toolbar.

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


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

Detailed steps


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

Select Slide Size, & then select either Standard (4:3) or Widescreen (16:9).

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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 nội dung 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 kích cỡ of your nội dung when scaling khổng lồ a smaller slide kích cỡ. This could make your nội dung appear smaller, but you’ll be able to see all nội dung on your slide.

The 16:9 widescreen setting is the default value for new presentations you create. When you change the slide form size for a presentation, the form size you choose only applies khổng lồ 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 the section below named "Make a default form size to start from when creating new presentations."


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

Select Slide Size, và then select Custom Slide Size.

In the Slide Size box, cliông xã the down arrow next khổng lồ Slides sized for & 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 milimet 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 / đôi mươi.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 cchiến bại to lớn the standard 4:3 slide kích cỡ.

There are two options for 16:9 aspect ratios:


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

Select Slide Size, & then select Custom Slide Size.

The Slide Size dialog box opens.

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

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

Width or Height

Minimum:

1 in

2.54 cm

1trăng tròn px

Maximum:

56 in

142.24 cm

720 px

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

Cliông chồng OK.

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

Maximize: Select this option to lớn increase the kích thước of your slide content when you are scaling to a larger slide kích cỡ. Choosing this option could result in your nội dung not fitting on the slide.

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Ensure Fit: Select this option khổng lồ decrease the kích cỡ of your content when scaling lớn a smaller slide form size. This could make your nội dung appear smaller, but you’ll be able to see all content on your slide.

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


This version of PowerPoint has a mặc định kích cỡ of 16:9 for new presentation, but you can create a different mặc định for yourself.

Start PowerPoint.

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

Then on the Design tab, clichồng Slide Size and choose the size you want for a default.

(If you want a different default slide kích thước than what"s listed there, select Custom Slide Size và then choose your kích cỡ in the Slide Size dialog box, & then cliông xã OK.)

On the Design tab, cliông chồng the More arrow in the bottom-right corner of the Themes group:

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Select Save sầu Current Theme.

Give sầu your theme a name that you"ll remember easily and clichồng Save. Don"t change the folder that the new theme is khổng lồ be saved in.

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 heading.

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

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Close PowerPoint. Don"t save sầu any files if it prompts you.

mở cửa 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 lượt thích 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 sầu defined for this mặc định 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 sầu a widescreen projector? Tell us what kind of projector you use by going to lớn PowerPoint for Windows UserVoice Forum. This will help us prioritize new features in future updates.


Sizing applies to lớn all slides in a presentation

PowerPoint isn"t able khổng lồ resize one slide within a presentation. All slides in a presentation are the same form size.

If this is a feature you’d like khổng lồ request, please skết thúc us your feedbachồng to help us prioritize new features in future updates. See How vì I give feedbaông xã on backlinks.vn Office for more information.

Orientation applies to lớn all slides in a presentation

PowerPoint isn"t able to lớn change the page orientation of certain slides. All slides in a presentation have sầu the same page orientation.

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If this is a feature you’d like to lớn request, please sover us your feedbachồng khổng lồ help us prioritize new features in future updates. See How bởi I give feedbachồng on backlinks.vn Office for more information.

See Also

Change the page orientation in PowerPoint between landscape and portrait


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