Aspect Ratio Calculator

Find a proportional height from width and original aspect ratio.

Your result will appear here

Enter values and press Calculate.

How to use this calculator

Enter the values requested in the calculator form.
Press Calculate to generate the result instantly.
Compare the answer with the formula and examples below.

Examples

1920×1080 scaled to 1280 wide gives 1280×720.

Frequently Asked Questions

Does this keep the same ratio?

Yes. It keeps the original width-to-height proportion.