Colors & design

Aspect ratio calculator

Find an aspect ratio and resize without stretching.

How to use
Free. Always.Inputs stay in your browserNo sign-up

Your saved tools stay in this browser.

Aspect ratio calculator — workspace

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How to use: Aspect ratio calculator

  1. Start with the example, or replace it with your own values.

  2. Review Original width, Original height, New width, then select “Get result”.

  3. Read the result, then copy or download it. Edit any input to try again.

What you can do

  • Find an aspect ratio and resize without stretching.

What you get

  • A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.

What you need

Original width
Enter a whole number (1–100000).
Original height
Enter a whole number (1–100000).
New width
Enter a whole number (1–100000).

Try an example

Original width
1920
Original height
1080
New width
1280
Try it in the tool

Good to know

  • Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.

Your work stays on your device

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

Questions & answers

Is Aspect ratio calculator free?

Yes. Aspect ratio calculator is free to use and does not require an account.

Are my files or entered values uploaded?

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

What result can I save?

A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.

What should I check before using the result?

Use a current browser with JavaScript enabled. Available formats and speed depend on your browser, device and input size.

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