Percentage & Discount Calculator
Work out X% of Y, what percent, percent increase/decrease, and stacked discounts (50% + 20% = 60%) with every step shown.
Numbers → Percent / final price
Why it is safe to use
- Runs entirely in your browser; nothing you enter is sent to a server.
- Free, with no account and no sign-up.
- Installable as an app; a tool you have opened keeps working offline.
- Open source (MIT) on GitHub.