Percentage Calculator
Two quick percentage calculations in one place: find what a percentage of a number is, and find what one number is as a percentage of another. It's free, instant, and runs entirely in your browser.
What is a percentage of a number?
20% of 50 = 10
What percentage is one number of another?
10 is 20% of 50
Frequently asked questions
Divide the percentage by 100 and multiply by the number. For example, 20% of 50 is 0.20 × 50 = 10. Enter both values above and the answer appears instantly.
Divide the first number by the second and multiply by 100. For example, 10 out of 50 is (10 ÷ 50) × 100 = 20%.
Yes — free, no sign-up, and it runs in your browser so nothing you type is sent anywhere.
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