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Percentage of a number

Find what a percentage of a number is — like “what is 20% of 150?” — instantly, in your browser.

of

Result

30

Common examples

QuestionAnswer
10% of 20020
15% of 8012
20% of 15030
25% of 400100
50% of 9045
75% of 6045
Full percentage calculatorPercent changeDiscount calculator

Frequently asked questions

How do I find a percentage of a number?

Multiply the number by the percentage divided by 100. X% of Y = Y × (X ÷ 100). For example, 20% of 150 = 150 × 0.20 = 30.

What is 20% of 150?

20% of 150 is 30 (150 × 0.20 = 30).

How do I calculate a percentage the other way (X is what % of Y)?

Divide the part by the whole and multiply by 100: (part ÷ whole) × 100. Use the percentage calculator for that direction.

Is my data uploaded?

No. TryCalculatingNow calculates in your browser. Nothing you type leaves your device.