Percentage calculator

Percentages, made a little less puzzling. Free, simple, and right here in your browser.

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A useful little guide

How to use percentage calculator

Calculate a percentage of a value, determine what percent one number is of another, or compare a change between two values.

  1. Enter the numbers, dates or units you want to compare.
  2. Choose the calculation options and calculate.
  3. Review the result together with the assumptions shown.
A real use case

Try this next

Find 15% of 200, or calculate the percentage increase from 80 to 100.

A detail to keep in mind

A percentage-of-base calculation cannot use zero as its denominator. Percentage change uses the absolute size of the starting value.

Questions, answered.

Is percentage calculator free to use?

Yes. This tool is part of Nepocore’s free browser toolkit. There is no paid tier, file-download gate or application account required.

What should I check before using the result?

A percentage-of-base calculation cannot use zero as its denominator. Percentage change uses the absolute size of the starting value.

Does this tool upload my files or text?

The tool processes its input in your browser. File contents and text are not sent to a processing server. See the privacy page for local storage and hosting details.

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