Tools / Discount calculator
Discount calculator
Enter the original price and the discount. The calculator shows the sale price and your savings – also for stacked discounts.
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🔒 Runs entirely in your browser – nothing you enter is uploaded or stored.
How to use it
- Enter the original price and the discount in percent.
- Add an extra discount if a coupon applies on top.
- Use the reverse field to find the original price from a sale price.
Your inputs live only in the link, not on our server.
Last checked: October 2026. Found a mistake? Use the form below – we fix confirmed errors and update the date.
Frequently asked questions
Are 20 % + 10 % the same as 30 %?
No. The second discount applies to the already reduced price: 100 € − 20 % = 80 €, minus 10 % = 72 €. The total discount is 28 %.
How do I calculate the original price?
Divide the sale price by (1 − discount): 72 € at 28 % off was 72 ÷ 0.72 = 100 €.
Is a discount in percent or in euros better?
It depends on the price: 10 € off is better than 10 % below 100 €, worse above.