Math

Ratio calculator

Use the Ratio calculator for fast, clear results with formulas and practical examples.

Ratio calculator

Result12
Simplified ratio2:3

How to use this tool

  1. Enter the known values.
  2. Select Calculate to process the inputs.
  3. Review the result, formula, and calculation steps.

Worked example

Follow this example to see the method in practice.

Formula

a : b = c : x, so x = b × c ÷ a

Frequently asked questions

Formula

The formula below shows how the result is calculated.

Important information

Results are estimates for general informational purposes. Check important decisions with an appropriate professional or primary source.