How do I calculate a percent discount?

Discounted price = Original price × (1 − Discount rate). A 20% discount on a $100 item gives a sale price of $80. Subtract any coupon value after applying the percentage discount.

Discount Calculator

Estimate discount savings and final price after discounts.

This tool runs in your browser. None of your data is saved or sold.

Original price ($)

Discount (%)

Extra coupon amount ($)

Tax after discount (%)

About This Calculator

This calculator handles stacked discounts (percentage off plus a coupon) and calculates the final price after sales tax. Stacking a 20% discount with a $10 coupon yields a different result depending on which is applied first — this calculator applies the percentage discount first, then the coupon.

Estimates only — not financial, tax, legal, or investment advice. Verify important results with a qualified professional before making decisions.

after discount = price × (1 − discount %) − coupon; final price after tax = after discount × (1 + tax rate); total savings = original price − after discount