NNWS Tools

Percentage Calculator

Every percentage question, one screen.

Runs on your device

Percent of a number

What is% of?
30

X is what percent of Y

is what % of?
20%

Percent change

Fromto
+25%
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About Percentage Calculator

Percentage Calculator is a free, private calculators tool that lets you every percentage question, one screen. Like every tool on NWS Tools, it runs entirely in your browser — nothing is uploaded, there are no accounts, and there's no tracking. Just open it and go.

Frequently asked questions

Is Percentage Calculator free to use?
Yes. Percentage Calculator is completely free, with no account, sign-up or limits.
Are my files or data uploaded anywhere?
No. Percentage Calculator runs entirely in your browser. Your files, text and numbers are processed on your own device and are never uploaded to a server.
Does Percentage Calculator work offline?
Once the page has loaded, most tools keep working with no internet connection. NWS Tools is a Progressive Web App you can even install.
Do I need to install any software?
No installation is required — Percentage Calculator works instantly in any modern browser on desktop or mobile.