Calculators
Percentage Calculator
Calculate percentages, percentage of a number, and percentage change.
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How it works
Enter a percentage and a value. The calculator multiplies the value by the percentage divided by 100 to give the result, plus the value with the percentage added and subtracted.
Formula
result = (percent / 100) × valueExamples
- 18% of 750 = 135
- 25% of 200 = 50
- 7.5% of 1,299 = 97.43
Frequently asked questions
How do I calculate a percentage of a number?
Multiply the number by the percentage and divide by 100. For example, 20% of 80 is 80 × 20 ÷ 100 = 16.
Is this calculator free?
Yes. It runs entirely in your browser with no sign-up and no data leaving your device.
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