Discount Calculator
Calculate a discount amount and final sale price instantly. Enter the original price and discount percentage to see how much you save and what you pay after the discount.
Enter the original price and discount percentage to calculate your savings and final price.
How to Calculate a Discount
- Multiply the original price by the discount percentage.
- Divide by 100 to get the discount amount.
- Subtract the discount amount from the original price to get the final price.
Example: a $100 item at 20% off. Discount amount = 100 × 20 ÷ 100 = $20. Final price = 100 − 20 = $80.
Discount Formula
Discount Amount = Original Price × Discount Percentage ÷ 100
Final Price = Original Price − Discount Amount
How to Calculate Sale Price After Discount
Once you know the discount amount, the sale price is simply the original price minus that amount. This is the same calculation used by the , which also lets you work backward from a sale price to find the original price.
Examples
10% discount on $50: discount amount = $5.00, final price = $45.00.
20% discount on $100: discount amount = $20.00, final price = $80.00.
50% discount on $80: discount amount = $40.00, final price = $40.00.
Discount vs Discount Percentage
The discount amount is the actual currency value removed from the price — for example, $20 off. The discount percentage expresses that same reduction as a percentage of the original price — for example, 20%. If you already know both prices and want to find the percentage instead, use the .
Discount Calculator for Shopping
This calculator is designed for quick, everyday shopping math — comparing markdowns, checking sale prices before checkout, or working out how much a coupon or promo code will actually save you. Toggle on sales tax if you want to see the total you'll actually pay at checkout, not just the discounted item price.