How to use this ratio calculator
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
Formula and method
Divide both terms by their greatest common divisor.
Example
24:36 simplifies to 2:3 because the greatest common divisor is 12.
What this calculator is useful for
Simplify a ratio of two whole numbers to lowest terms. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Ratio Calculator calculate?
Simplify a ratio of two whole numbers to lowest terms.
How does the calculation work?
Divide both terms by their greatest common divisor.
Is this calculator free?
Yes. ERICH Calculators is free to use and no account is required.