Math Tools
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Percentage Calculator

Quickly compute what percent A is of B, X% of Y, and percentage change between two numbers.

Features

  • A of B
  • X% of Y
  • Change %

How to use Percent Calc

  • 1
    Enter values in any section.
  • 2
    Copy the summary.

Examples

Discount

Input
15% of 80
Output
12

About Percent Calc

Percentage Calculator handles common percent math for finance, grades, and analytics in the browser.

Frequently asked questions

Results show useful precision without noisy trailing zeros.

No.

Supported for change calculations.