Ratio Calculator

A / B ratio

Ratio (A:B)
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Ratio (%)
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What Is a Ratio Calculator?

A ratio calculator helps you compare two numbers and understand their relationship. It can also convert the ratio into a percentage.

How to Calculate a Ratio

Divide one value by the other. If needed, multiply the result by 100 to express it as a percent.

Formula

Ratio = A รท B
Ratio (%) = (A รท B) ร— 100

Ratio Example

If you compare 2 to 5, the ratio is 2:5 and the percentage is 40%.

Where Is This Used?

Frequently Asked Questions

How do I find the ratio between two numbers?

Divide the first number by the second.

How do I convert a ratio into percent?

Multiply the ratio result by 100.

The Math Behind Ratios

Ratios describe proportional relationships and are fundamental in mathematics and data analysis.

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