Math & Science
Ratio Calculator
Simplify ratios and solve proportions
Created and maintained by: CalcTago Editorial TeamLast updated: 2026-02-13
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
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Frequently asked questions
What does the Ratio Calculator do?
It helps you simplify ratios and solve proportions.
What inputs do I need?
Enter Value A and Value B.
Are decimals supported?
Yes, you can use decimal values where appropriate.
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About this tool
This Ratio Calculator turns your inputs into practical results. Provide Value A and Value B to calculate Simplified ratio and Decimal.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.