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▣ Aspect Ratio Calculator

Resize dimensions proportionally or simplify a width-and-height pair into its aspect ratio.

🔒Private by DesignYour entries stay in this browser. Nothing you type into this tool is uploaded to WispData.
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How to use the Aspect Ratio Calculator

  1. Enter the original width and height.
  2. Enter one new dimension.
  3. Read the matching proportional dimension and simplified ratio.

About this tool

Maintaining aspect ratio prevents images, videos and display layouts from appearing stretched. Common ratios include 16:9, 4:3, 3:2 and 1:1.

WispData puts the interactive tool first and performs the calculation or transformation in your browser whenever possible. No account is required.

Common uses

  • Video resizing
  • Image layouts
  • Screen dimensions
  • Responsive design

Frequently Asked Questions

What is an aspect ratio?

It is the proportional relationship between width and height.

How do I keep an image from stretching?

Change one dimension and calculate the other from the original ratio rather than changing both independently.

Is 1920×1080 the same ratio as 1280×720?

Yes. Both simplify to 16:9.

Does WispData store what I enter?

No. This tool is designed to process the values you enter locally in your browser unless a page explicitly says otherwise.

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