Discount calculator
Find the sale price and your savings, even with a second discount on top.
- Sale price
- 60.00
- You save
- 20.00
- Total discount
- 25%
Work backwards: what was the original price?
For guidance only, not financial advice. Real offers depend on fees, taxes and terms. Check the exact figures with your bank, lender or accountant before you decide.
Formulas
How discounts add up
- Sale price:
price × (1 − discount ÷ 100) - Saving:
price × discount ÷ 100 - Two discounts:
price × (1 − d₁ ÷ 100) × (1 − d₂ ÷ 100) - Original price:
sale price ÷ (1 − discount ÷ 100)
Example: a jacket for 120 with 30% off, and an extra 10% at the checkout: 120 × 0.70 = 84, then 84 × 0.90 = 75.60. You save 44.40, a total discount of 37%, not 40%.
Reading sale signs
- "Up to 70% off" means some items have that discount; most have less.
- "Buy 2, get 1 free" is a 33% discount if you want all three, and nothing if you only wanted one.
- Compare with the price elsewhere, not just the "before" price on the tag.
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Frequently asked questions
How do I calculate a discount?
Multiply the price by the discount as a decimal to get the saving, then subtract it. 25% off 80 is 80 × 0.25 = 20 off, so you pay 60. Or in one step: 80 × (1 − 0.25) = 60.
Is 20% off plus an extra 10% off the same as 30% off?
No, it is less: 28% in total. The second discount is taken from the already reduced price. On 100, 20% off gives 80, and 10% off 80 gives 72, a total saving of 28.
How do I find the original price from a sale price?
Divide the sale price by 1 minus the discount as a decimal. If something costs 60 after 25% off, the original price was 60 ÷ 0.75 = 80.
Is a discount the same as a markdown?
For shoppers, yes: both mean a lower price. In retail, "markdown" usually means a permanent price reduction, while a "discount" is often temporary or for a specific group, such as students.