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Discount Calculator
Work out the sale price and the amount you save from an original price and a discount percentage.
Discount calculator
Sale price before tax: —
Amount saved: — (— off)
Tax: — · Total to pay: —
How to use the Discount Calculator
- Enter the original price and the discount percentage.
- Add an optional sales tax rate and pick the currency symbol you want.
- The sale price, the money saved and the final total appear instantly.
Features
- Sale price and amount saved at a glance
- Optional sales tax on the discounted price
- Currency symbol for dollars, euros, pounds, yen and rupees
- Copy a plain-text summary of the calculation
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Frequently Asked Questions
Common questions about the free online discount calculator.
Enter the original price and the discount percentage. The tool multiplies the price by the
discount, subtracts it and shows both the sale price and.
Sale price equals original price multiplied by one minus the discount divided by 100. For a
25 percent discount on 120 the sale price is 120 times 0.
You save 25 percent of the original price. On a price of 120 that is 30, leaving a sale price
of 90.
Yes. Enter an optional tax rate and it is applied to the discounted price, not the original
price, which matches how most shops charge tax.
The figure is capped at 100 percent, because a discount cannot reduce a price below zero. The
tool tells you when that happens.
Yes. Prices and percentages accept decimal values, and money is rounded to two decimal
places.
Divide the sale price by one minus the discount divided by 100. For a 20 percent discount,
divide the sale price by 0.8.
No. Everything is calculated locally in your browser and nothing is stored or sent.
Yes, the calculator is fully responsive and works on phones, tablets and desktops.
Last updated: October 10, 2026