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Calculate discount, sale price and savings. Perfect for shopping, sales and stacked promotions.
Enter the original price and discount percentage to calculate.
To calculate the final price after a discount, multiply the original price by the discount percentage, then subtract the result from the original price:
Sale Price = Original Price − (Original Price × Discount% ÷ 100)
Example: A $100 shirt with a 25% discount:
Sale Price = $100 − ($100 × 0.25) = $100 − $25 = $75
If you know the original price and the sale price, you can find the discount percentage with:
Discount % = ((Original − Sale) ÷ Original) × 100
Use the Reverse mode toggle in the calculator to do this instantly.
When stores offer "50% off + 20% extra", the discounts are not simply added to make 70%. They're applied in sequence:
Enable the Double discount toggle to calculate these stacked promotions correctly.
All calculations happen instantly in your browser. Your values are never sent to any server and never stored.
Multiply the original price by 0.20 to get the discount amount, then subtract from the original. Example: $50 × 0.20 = $10 discount, so the sale price is $50 − $10 = $40. Or just enter the values in the calculator above!
No! Stacked discounts are applied one after another, not summed. '50% off + 20% off' is not a 70% total discount — it's actually 60% (100 → 50 → 40). Use our Double Discount toggle to see the true effective discount.
Yes. Use the Reverse Mode toggle: enter the sale price and the discount percentage, and the calculator will show you what the original price was.
No, this calculator only handles the discount itself. Taxes (VAT, sales tax) are applied separately by stores, usually on the discounted price. If you need to add tax, do so after calculating the discount.
'25% off' means you subtract 25% from the original (final price = 75% of original). '25% of price' means the discount is 25% (or 25 dollars, depending on context). This calculator uses the standard '% off' interpretation.
Yes. All calculations happen locally in your browser. Nothing is sent to any server, nothing is stored. Complete privacy.