Percentage Calculator

Free percentage calculator โ€” find a percent of a value, ratios, and percent change, all in one place.

Percent of a value

= 30

Ratio

= 15%

Change

= +20%

* Results are for reference only.

Frequently asked questions

Are the results accurate?

We use standard financial formulas and official rates, but results are for reference only. Confirm important decisions with a professional.

Is my input data stored?

No. All calculations run only in your browser โ€” nothing is sent to or stored on our servers.

Is it free to use?

Yes, completely free, with no sign-up or login required.