How discount is calculated
Multiply the original price by the discount percentage divided by 100 to get savings. Subtract from original to get final price.
Math calculators
Discount Calculator
Calculate sale price and how much you save from any discount.
Complete guide
How to use Discount Calculator
Enter the original price and discount percentage to see the sale price and total savings instantly. This tool is useful for shopping, retail pricing, invoice discounts, and negotiation.
Formula: Sale price = Original × (1 - discount/100). Savings = Original × discount/100.
Common discount scenarios
Retail sale (20% off), Black Friday (50% off), wholesale trade discounts (10–30%), early payment discounts (2–5%).
Finding the original price
If you know the sale price and discount, divide the sale price by (1 - discount/100) to reverse-calculate the original.
Answers
Discount Calculator FAQs
How do I calculate a 20% discount?
Multiply the price by 0.80 (1 - 0.20). On $100, a 20% discount gives a $80 sale price.
How do I find 30% off?
Multiply the original price by 0.70. Or use this calculator.
What is the formula for discount?
Sale price = Original price x (1 - discount / 100).
How do I calculate savings on a sale?
Savings = Original price x discount percentage / 100.
How much is 15% off $200?
15% of $200 is $30. Sale price is $170.
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