Discount Calculator
Sale price, savings and stacked deals.
- 100% free
- No sign-up
- Runs in your browser
What will I actually pay?
Enter a price and discount to see the final price and your savings. Add a second "extra % off" to see why 25% + 10% isn't 35% off.
Add sales tax or VAT to get the total at the till.
- 1
Enter the price
Before discount.
- 2
Add discounts
And tax if it applies.
- 3
See the total
Plus your savings.
Frequently asked questions
Why isn't 20% + 20% equal to 40% off?
The second discount applies to the already-reduced price, so it works out to 36% off.
Is tax added before or after the discount?
After — tax is calculated on what you actually pay.
Is my data uploaded anywhere?
No. Everything runs in your browser with JavaScript — nothing you type or open is sent to our servers.

