Percentage of a Number Calculator
Quickly find any percentage of a number — for example, what is 20% of 500? Enter a percentage and a number below to get the answer instantly.
To find a percentage of a number, convert the percentage to a decimal (divide by 100) and multiply by the number:
What is 20% of 500?
The formula
Worked example
Frequently asked questions
How do I calculate a percentage of a number?
Convert the percentage to a decimal by dividing by 100, then multiply by the number. The formula is (Percentage ÷ 100) × Number. For example, 20% of 500 is (20 ÷ 100) × 500 = 100.
What is 20% of 500?
20% of 500 is 100. You calculate it as (20 ÷ 100) × 500 = 0.2 × 500 = 100.
Can I use a decimal percentage?
Yes. Enter any percentage, including decimals, for example 12.5% of 80 = (12.5 ÷ 100) × 80 = 10.
How is this different from "what percentage is X of Y"?
This calculator finds an amount from a percentage (e.g. 20% of 500 = 100). The "what percentage is X of Y" calculator finds the share one number is of another (e.g. 100 is 20% of 500).
Related converters and pages
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