How do I calculate percentage discount?
Enter the original price and the discount percentage — the calculator instantly shows the sale price, amount saved, and optionally the total after tax.
What is a stacked discount?
Stacked discounts apply multiple percentage discounts in sequence. For example, 20% off then an additional 10% off is not 30% off — it's an effective 28% off. This calculator shows the real effective discount.
How does the reverse discount calculator work?
If you know the sale price and the discount percentage, the reverse calculator works backwards to find the original price. Useful for finding the original price of clearance items.
What does BOGO mean?
BOGO stands for Buy One Get One. The calculator supports BOGO free, Buy 2 Get 1 Free, Buy 1 Get 2nd 50% Off, and Buy 3 Get 1 Free — showing the effective discount for any quantity.
How is cashback different from a discount?
With cashback you pay full price upfront and receive a portion back later. This calculator shows your effective cost after cashback and the equivalent discount percentage.