Design tool
Aspect Ratio Calculator
Turn a width and height into a ratio, or find the missing side of a ratio you already know.
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How to find an aspect ratio
- Choose simplify when you have a width and a height, or find a side when you already know the ratio.
- Enter the numbers in that sentence.
- Click Calculate and copy the ratio or the missing side.
A size such as 1920 by 1080 simplifies to 16:9. If you know the ratio and one side, the other side follows. Values are rounded to the nearest pixel.
Frequently asked questions
What does 1.778:1 mean next to 16:9?
It is the same ratio written as width divided by height. 16 divided by 9 is about 1.778.
Are the numbers uploaded?
No. The calculation runs in your browser.
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