Add Discount
Option A
Option B
Enter an original price above zero to see results.
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The discount amount is the portion of the original price removed by the sale percentage.
Discount Amount = Original Price × (Discount % ÷ 100)The sale price is what you pay after the discount is applied. Alternatively, multiply the original price by the remaining percentage.
Sale Price = Original Price − Discount Amount = Original Price × (1 − Discount % ÷ 100)The Discount Calculator applies industry-standard financial equations used by lenders, accountants, and planners. All intermediate values are computed with floating-point precision and rounded only for display.
Result = f(principal, rate, period, …)Updated: July 2026
A shopper finds wireless headphones marked down 40% from $89 during a holiday sale.
→ Sale price: $53.40, savings: $35.60
An item at $120 with an additional 15% coupon applied at checkout — calculate the combined effective discount.
→ Final price: $81.60 (32% total off, not 35%)
A homebuyer runs the Discount Calculator with two interest rates side by side to compare total interest paid over 30 years before choosing a lender.
Stacked discounts are multiplicative, not additive. 20% off plus 15% off equals 32% total off, not 35%. Apply each discount sequentially to the current price.
A 25% discount means you pay 75% of the original price, not 25%. Double-check whether the percentage refers to the amount saved or the amount you pay.
Use our free Discount Calculator for fast, accurate results in your browser. No signup or installation required — works on any device.