Percentage Calculator

Calculate a percentage, a ratio or a percentage change.

Your workspace Nothing to install. No signup.

How to use Percentage Calculator

For “X percent of Y,” enter the rate as X and total as Y. Percentage change divides the difference by the original value; a zero original value is undefined.

Add your input

Enter your text or values in the workspace above.

Choose your settings

Review the options and limits before processing.

Use your result

Check the output, then save or copy what you need.

Good to know

Does this tool upload my input?

No. This tool processes your input on your device. Its libraries load from this site. Your input is not sent to a processing service.

What should I check before using the result?