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Discount Calculator

Calculate the final price and savings after a discount. Free, fast, and accurate.

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Discount Calculator

Calculate final price after discount

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How to Calculate a Discount

A discount is a reduction applied to the original price of a product or service. The two most common types are percentage discounts and fixed amount discounts.

Sale Price = Original Price × (1 − Discount % / 100)

Percentage Discount: Multiply the original price by the discount percentage (divided by 100), then subtract from the original price.

Fixed Amount Discount: Subtract the fixed discount amount directly from the original price.

Example: A $120 jacket is 25% off.

  1. Discount amount: $120 × 25 / 100 = $30
  2. Sale price: $120 − $30 = $90

Our calculator above lets you enter any two values and instantly finds the third. Toggle between percent off and fixed amount off modes.

Real-World Examples

Electronics Sale

Laptop priced at $1,200 with 15% off. You save $180. Final price: $1,020.

Clothing Discount

Jacket costs $85 with $20 off coupon. You save $20. Final price: $65.

Grocery Shopping

$250 grocery bill with 10% member discount. You save $25. Total: $225.

Travel Booking

Hotel room at $350/night with 30% early bird deal. You save $105. Price: $245.

Restaurant Bill

Dinner bill of $95 with $15 voucher. You save $15. Final bill: $80.

Subscription Plan

Annual plan at $200 with 40% first-year discount. You save $80. Price: $120.

Frequently Asked Questions

How do I calculate a discount?
To calculate a percentage discount, multiply the original price by the discount percentage and divide by 100. Subtract that amount from the original price. For example, a 20% discount on $100: $100 × 20/100 = $20 off, so the final price is $80.
What is the formula for discount price?
The formula is: Sale Price = Original Price − (Original Price × Discount % / 100). Alternatively: Sale Price = Original Price × (1 − Discount % / 100). For fixed discounts: Sale Price = Original Price − Discount Amount.
How do I calculate the discount percentage?
To find the discount percentage: Discount % = (Original Price − Sale Price) / Original Price × 100. For example, if a $50 item sells for $35: ($50 − $35) / $50 × 100 = 30% discount.
How do I find the original price from a discounted price?
Original Price = Sale Price / (1 − Discount % / 100). For example, if you paid $80 after a 20% discount: $80 / (1 − 0.20) = $80 / 0.80 = $100 original price.
What is the difference between percent off and fixed amount off?
A percent off discount reduces the price by a percentage of the original value (e.g., 20% off $100 saves $20). A fixed amount off subtracts a specific dollar amount regardless of the price (e.g., $20 off any item saves $20). Percentage discounts scale with price, while fixed discounts are constant.

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