CALCULATORS / FREE ONLINE TOOL

Aspect Ratio Calculator

Simplify a ratio and resize dimensions proportionally.

Free to use On-device processing No account needed
Your workspace Runs privately in your browser
Aspect Ratio Calculator inputs

A little guidance.

Find a simplified width-to-height ratio for whole-number dimensions. Enter a new width to calculate the exact proportional height and the nearest whole-pixel height. The rounded height may differ slightly from the exact aspect ratio.

How it works

  1. Enter your values, or use the example to get started.
  2. Select “Calculate” to process your input in your browser.
  3. Review the result, then copy or download it when available.

Good to know.

Is my input sent to a server?

No. This tool runs in your browser. KILIZU does not upload or store the values or files you enter here.