Ratio Calculator
Simplify ratios and solve for a missing value.
Result
Results are estimates for general information only and are not professional advice.
Working with ratios
A ratio compares two quantities. This calculator reduces a ratio to its simplest form by dividing both parts by their greatest common divisor, and shows the equivalent decimal. Ratios are used in cooking, maps, finance and design.
Frequently Asked Questions
What is the Ratio Calculator?
Simplify ratios and solve for a missing value. It runs instantly in your browser and is completely free.
Is the Ratio Calculator free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Ratio Calculator?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.