Ratio Calculator

Simplify ratios and convert them to decimal form.

Enter a value for all required fields.

About this calculator

Simplify ratios and convert them to decimal form.

How to use

  1. Enter the required values.
  2. Review the result instantly.

Formula

Simplified ratio = first : second divided by their greatest common divisor

Example

20 : 30 → 2 : 3

FAQ

What if both values are zero?

A 0:0 ratio is undefined, so the calculator shows an error.

Does the calculator reduce negative values?

The ratio is normalized and simplified consistently, but 0:0 is still invalid.

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