Calculators

Percentage Calculator

Calculate a percentage of a number or one number as a percentage of another.

Let’s get to work

Fill in the details below to get started.

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About Percentage Calculator

Use either mode for a quick percentage calculation. Results are rounded for display and are not a substitute for financial or professional advice.

How to use it

  1. Choose the calculation type.
  2. Enter the two numbers.
  3. Calculate and review the result.

Frequently asked questions

How do I find 20% of 80?

Multiply 80 by 20 and divide by 100; the result is 16.

Can I divide by zero?

No. The percentage-of-another-number mode requires a non-zero denominator.