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Ratio Calculator

Enter two numbers to reduce a ratio to its simplest form.

2 : 312 : 18 simplified

How to use this Ratio Calculator

Simplify ratios and compare proportional values. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.