Find what percent of a number is, work out increases and discounts, or tip and markup — all on one clean page. Runs entirely in your browser.
Every mode is free and unlimited. Nothing leaves your browser.
Free, no signup, nothing uploaded. Questions: [email protected]. If this tool helps you, you can leave an optional tip (any amount). The tool stays free either way.
Numbers never leave your device. No account required.
Common percentage jobs in one place — no spreadsheet formulas.
Every mode is free. No subscription.
Yes. Every mode, including tip and markup, is unlimited and free.
No. Everything runs in your browser. Nothing is uploaded to our servers.
No. It is free, with no monthly fee.
Use the “% change” mode: enter the old value and the new value. See also our percentage increase guide.
Email [email protected]. There is nothing to buy, so there is nothing to refund.