Math & calculatorsFree

Discount Calculator

Free discount calculator. Compute sale price, amount saved, and optional tax from original price and percent off.

Enter a price and discount.

Formula

Savings = original × (discount ÷ 100). Sale price = original − savings. Tax is applied to the sale price when set.

Frequently asked questions

How do I calculate a discount?

Final = price − (price × discount%/100). This tool also supports optional tax on the discounted price.

Can discount be 100%?

Yes. That makes the discounted price zero before tax.

Is tax applied before or after discount?

After discount, which is common for retail sale tax on the reduced price.

Currency?

Math is currency-agnostic; $ is display only.

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