Discount Calculator
Calculate the final price after a discount. See how much you save and the discounted price instantly.
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Final Price—
How to Calculate a Discount
Discount Amount = Original Price × (Discount% / 100)
Final Price = Original Price − Discount Amount
Final Price = Original Price − Discount Amount
Or equivalently: Final Price = Original Price × (1 − Discount% / 100)
Example:
Original Price = $120, Discount = 25%
Discount Amount = $120 × 0.25 = $30
Final Price = $120 − $30 = $90
Original Price = $120, Discount = 25%
Discount Amount = $120 × 0.25 = $30
Final Price = $120 − $30 = $90
Stacking Discounts
Two successive discounts (e.g., 20% then 10%) are not the same as 30% off. With stacking: $100 → $80 → $72. That's effectively 28% off, not 30%.
FAQ
How do I calculate the original price from a sale price?
Use: Original Price = Final Price / (1 − Discount% / 100). For example, if the sale price is $90 after a 25% discount: $90 / 0.75 = $120.
What does "up to X% off" mean?
It means the maximum discount on select items is X%. Most items may have smaller discounts. Always check the actual price tag.
How do I calculate discount percentage from two prices?
Discount% = ((Original − Sale) / Original) × 100. For example: ($120 − $90) / $120 × 100 = 25%.
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Last updated: 2026-08-08