Ratio Calculator

Simplify any ratio to its lowest terms, or scale it up to match a target. Useful for recipes, mixing proportions, map scales, and pretty much anything involving a proportion.

How to use

  1. Enter the two sides of your ratio.
  2. If you want to scale it, type a target value for one side and the other side will adjust.
  3. Click Calculate to get the simplified ratio and scaled values.