Discount Calculator
Sale price, savings and effective discount, including a second stacked discount.
Inputs
%
%
pcs
Results
- Final price
- 60
- Price per item
- 60
- You save
- 20
- Effective discount
- 25 %
Formula
Sale price = Price × (1 − d1) × (1 − d2)
Effective = 1 − Sale ÷ Price
Assumptions & limits
- Stacked discounts multiply — 20% + 10% = 28%, not 30%.
Worked example
80 × 0.75 = 60.00; you save 20.00.