Find what you really pay in a sale. Add an extra discount to see why “20% + 10% off” is 28% off, not 30%.
loading toolHow to use the discount calculator
- Type your numbers in the boxes (pick your currency or units if asked).
- The answer updates as you type: no button to press.
- Copy the result, or share it on WhatsApp with one tap.
Questions
Is 20% + 10% off the same as 30% off?
No. The extra 10% comes off the already reduced price, so the total is 28% off.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.




























