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Discount Calculator (Sale Price & Savings)

Figure out final price after a percentage discount, and exactly how much you save. Handles multiple items too.

100% free No sign-up Private · runs in your browser

How to use the free online discount calculator

Enter the original price.
Enter the discount percent or amount.
Optionally add sales tax.
See price, savings and total instantly.

About this tool

Calculate sale prices, savings and the final price after any discount percentage. Enter the original price and discount, see the amount you save, the sale price and the effective rate. Works with any currency — great for Black Friday, clearance sales, coupons and store comparisons.

Key features

% or fixed-amount discounts
Savings shown instantly
Multi-item totals
Add tax support

Privacy first: every calculation and generation runs 100% locally in your web browser using the Web Crypto API. Your input never touches a server — nothing is stored, logged or sold.

Read the guide

Money · 4 min read

How to calculate percent off: the simple math behind sale prices

Discounts, double discounts and the mental-math trick that saves you from paying full price.

Frequently asked questions

Multiply the original price by (1 − discount%). For $80 at 25% off: 80 × 0.75 = $60. Savings = 80 − 60 = $20.

Yes — enter a tax rate and the calculator shows pre-tax total, tax amount and final price.

Yes, use quantity or add up to several items and get the combined total and savings.