Discount Calculator
Sale price, savings & percent off.
Runs entirely in your browser — nothing you enter is uploaded, logged, or tracked.
Enter an original price and a percentage off to see the sale price and exactly how much you save — or switch to find the discount percentage from an original and final price. Add a sales-tax rate to see the real out-the-door total.
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Frequently asked questions
How is the sale price calculated?
Sale price = original × (1 − percent off ÷ 100). The amount saved is the original minus the sale price.
Can it find the percentage off?
Yes. Switch modes and enter the original and the sale price to get the discount percentage between them.
Does it include sales tax?
Optionally — add a tax rate and it shows the after-tax total on the discounted price.