Discount Calculator — Three common discount problems, one tool. Use the forward mode when you know the percentage and want the final price. Use the reverse mode when you see a sale price and want to know the effective discount. Use the required-discount mode when you have a target price in mind and need to know what to mark items down to.
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What is discount calculator?
Three common discount problems, one tool. Use the forward mode when you know the percentage and want the final price. Use the reverse mode when you see a sale price and want to know the effective discount. Use the required-discount mode when you have a target price in mind and need to know what to mark items down to.
Useful for shopping comparisons, retail pricing decisions, sale advertising, and the everyday "is this deal actually a good deal?" check.
How to use it
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Pick a mode
Forward (X% off), reverse (what % off), or required (hit a target price).
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Enter the numbers
Original price + the other input. All values update as you type.
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Read the result
Final price, amount saved, and effective percentage.
Examples
25% off a $80 jacket
Forward mode.
Result: $60.00 final, $20.00 saved
$75 on sale from $100
Reverse mode.
Result: 25% off
Frequently asked questions
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Last reviewed: 2026-08-22