Math
Ratio Calculator
Simplify a two-number ratio to its lowest whole-number terms.
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How this calculation works
Simplify a two-number ratio to its lowest whole-number terms. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
a:b = (a ÷ GCD):(b ÷ GCD)
Good to know
Results are estimates for informational purposes.
Example calculation
24:36 ÷ 12 = 2:3
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Ratio Calculator calculate?
Simplify a two-number ratio to its lowest whole-number terms. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Ratio Calculator use?
It applies a:b = (a ÷ GCD):(b ÷ GCD). Values, fees, rules or timing not represented by an input are not added automatically.