Discount Calculator
Calculate final price and savings after a percentage discount, including stacked (double) discounts.
How to use
1. Enter the original price. 2. Enter the first discount percentage. 3. Optionally enter a second discount. 4. See final price and total savings.
Formula
Final price = Original * (1 - d1/100) * (1 - d2/100). Savings = Original - Final price.
Examples
- $100 with 20% off → Final = $80, Save = $20
- $100 with 20% + 10% stacked → Final = $72, Save = $28 (not 30% = $70)
Important notes
Stacked discounts apply sequentially; they are not simply added together.
Frequently asked questions
Why is 20% + 10% not 30%?
The second discount applies to the already-discounted price, not the original.
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