Discount Calculator — Percent Off
Enter the price and the discount to instantly see the final price and how much you save. Also handles extra discounts and the reverse calculation.
Calculator
Final price
80.00
You save
20.00
Total discount
20.00%
Find the discount %
Discount
25.00%
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Formula
Final = Price × (1 − Discount); Discount % = (Original − Sale) / Original × 100Frequently Asked Questions
How do I calculate 20% off?
Multiply the price by 0.80. $50 × 0.80 = $40, so you save $10.
Is 30% + 10% off the same as 40% off?
No. The extra 10% applies to the reduced price: 100 → 70 → 63, which is 37% off in total.
How do I find the discount percentage?
(Original − sale price) / original × 100. $75 instead of $100 is 25% off.
How much is 15% off $80?
$80 × 0.85 = $68. You save $12.