Percentage Calculator
Calculate percentages, percentage change and what percent one number is of another.
How to use Percentage Calculator
- 1Enter your values — results update instantly as you type.
- 2Adjust any setting to compare options.
- 3Copy or download the result. Nothing is sent to a server.
About this tool
Calculate percentages, percentage change and what percent one number is of another. It works instantly in your browser with nothing to install. It's part of our free calculators, which work together — you can pass the result straight into related tools below.
Frequently asked questions
Is Percentage Calculator free?
Yes. There's no sign-up, no watermark and no usage limit.
Is my data stored?
No. Everything is calculated in your browser and nothing is sent to a server.
Does it work on mobile and offline?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.