Ratio Calculator

Simplify a ratio and compare its two values.

Reduce whole-number ratios using their greatest common divisor.

Your inputs stay on your device

Simplify a ratio

live result

First value

Second value

Simplified ratio

3:4

A divided by B

0.75

Enter dimensions or values only; results are mathematical estimates and do not replace construction, engineering, or academic requirements.

Context & Reference

For simplifying two whole-number quantities.

calculator guide

Divides both values by their greatest common divisor.

Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.

Factor is the first value divided by the second when possible.

18:24 reduces to 3:4.

Both values cannot be zero.

This calculator runs locally in this browser. Both values cannot be zero.

Useful next steps

Continue with a closely related task, calculation, conversion, or local text tool.

Add, subtract, multiply, or divide two fractions.

Work out percentages, changes, and proportions in a blink.

Find the mean, median, minimum, and maximum of a number list.

Evaluate expressions with powers, square roots, and percentages.