Everyday Tools
Discount Calculator
Sale price, savings, and the truth about stacked discounts.
✓ Free
✓ No account
◉ Runs on this device
Everyday Tools
Powering up the tool…
TOOL DISCOUNT-CAL
What this tool does
About the discount calculator
Single and stacked percentages with the multiplicative reality shown.
How to use it
- Enter original price and discount.
- Add the stacked second discount if the sign does.
- Read final price, savings and TRUE total percentage.
- Compare against the shelf’s arithmetic.
Useful for
- Compute the till price before the till does.
- Decode “extra 10% off sale items”.
- Reverse-check a claimed saving.
Straight answers
Discount Calculator FAQ
Why isn’t 25% + 10% equal to 35% off?
The second discount applies to the ALREADY reduced price: 25% then 10% is 32.5% total, never 35. Retail knows shoppers add; the calculator multiplies, which is what the till will do.
How do I check a “was £80 now £60” claim?
That is exactly 25% off — enter it and see. Anchored “was” prices are the oldest trick going; the arithmetic at least verifies the claimed gap.