P0 · Math

Percentage Calculator

Find a percentage of a value, determine what percentage one value is of another, or apply an increase or discount. Your data is processed in your browser.

How to use

  1. Choose the calculation mode that matches your question.
  2. Enter the percentage or part first and the value or total second.
  3. Select Calculate to see the result.

How it works

Each mode multiplies a value by a percentage, divides a part by its total, or applies an increase or reduction factor.

Notes and limitations

  • The total cannot be zero when comparing a part with a total.
  • Switching the part and total changes the result.

Frequently asked questions

Can it calculate increases and discounts?

Yes. Separate modes increase or decrease the second value by the percentage entered first.

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