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Discount Calculator Online Free

Calculate sale price after a discount, total amount you save, and reverse-calculate the exact discount percentage you received on any purchase.

Calculate Sale Price & Savings

What Discount Did I Get?

Enter the original price and the price you actually paid to find out the exact discount percentage.

FAQ — Discount Calculator

How is sale price calculated from a discount percentage? +
Sale Price = Original Price × (1 − Discount% ÷ 100). For example, an item with regular price $100 at 25% off: Sale Price = 100 × (1 − 0.25) = 100 × 0.75 = $75. You save $25.
How do I calculate what discount percentage I received? +
Use the "What Discount Did I Get?" section above. The formula is: Discount% = ((Original Price − Price Paid) ÷ Original Price) × 100. For example, if the regular price was $150 and you paid $105: Discount = ((150 − 105) ÷ 150) × 100 = (45 ÷ 150) × 100 = 30%.
Does this calculator include GST or sales taxes? +
No, the Discount Calculator works on the price values you enter. If your price already includes VAT/GST, the discount applies to the full tax-inclusive amount. To calculate VAT or GST separately, check out our dedicated tax tools.
Quick Discount Examples
10% offSave 10 on 100
25% offSave 25 on 100
30% offSave 30 on 100
40% offSave 40 on 100
50% offHalf Price
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