Finance

Discount Calculator

Free discount calculator: find the final price after a discount and how much you save. Enter the original price and discount percentage.

YOUR WORKSPACEFree to use. No sign-up.

Original price

Discount (%)

Stacked discount (%) (optional — coupons that apply on top)

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Enter price and discount.

Deep dive guides

A LITTLE CONTEXT · 4 MIN READHow Discounts Work: Percent Off vs Dollars Off

All 4 related guides

How to Calculate Percentages — The three percentage operations people actually need — finding a percent of a number, percent change, and the percentage one value is of another.
How Percent Change Works — The percent change formula, why a 50% loss needs a 100% gain to recover, and the difference between percent change, percent difference, and percentage points.
How Discounts Work: Percent Off vs Dollars Off — Percent off vs dollars off, the switch point where one beats the other, stacking rules, and the discount traps that inflate perceived savings.
Sales Tax Math: Adding Tax On and Backing Tax Out — Two sales tax modes: adding tax to a sticker price and extracting it from a tax-inclusive total.

How discount calculator works

This discount calculator works out the final price after applying a percentage discount. It multiplies the original price by the discount percentage divided by 100 to get the savings, then subtracts that from the original price. For example, a 100 item with a 25% discount saves 25, giving a final price of 75.

The calculator handles discount percentages from 0 to 100. A 100% discount means the item is free. Stacked discounts compound multiplicatively: each applies to the price left after the previous one, so 25% then 20% is 40% off, not 45% — the tool reports the single equivalent percentage. Values are rounded to two decimal places (cents).

All calculation happens in your browser instantly as you type. No data is sent anywhere, so it is safe to use for any price point.

Frequently asked questions

How do I calculate a discount?

Multiply the original price by the discount percentage and divide by 100 to get the savings, then subtract from the original price. For example, 25% off 80 is 80 times 0.25 = 20 saved, final price 60.

How do I calculate the original price from a discounted price?

Divide the discounted price by (1 minus discount/100). For example, if 60 is the price after a 25% discount, the original was 60 / 0.75 = 80.

Can I use this for any discount percentage?

Yes. Any percentage from 0 to 100 works. A 0% discount means no change, and a 100% discount means the item is free.

Does it handle decimal discounts?

Yes. You can enter decimal percentages like 33.3% or 12.5%. The calculator rounds monetary results to two decimal places.

How do stacked discounts combine?

Multiplicatively, not additively. A 25% discount followed by a 20% discount applies the 20% to the already-reduced price: 100 → 75 → 60, which is 40% off in total, not 45%. Enter both percentages and the calculator shows the true stacked final price and its single equivalent discount.

Discount Calculator

Deep dive guides

How discount calculator works

Frequently asked questions

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