Discount
&
Sale
Price
Calculator

Calculate sale prices after percentage discounts with optional sales tax. Reverse-calculate discount percentages from original and sale prices.

Calculate Sale Price

Quick:

Find Discount Percentage

Know the original and sale price? Find out what discount was applied.

Result

Original Price ($)$99.99
Discount (20%)-$20.00
Sale Price$79.99
Final Price$79.99
You Save20%

Learn more

Stacked discounts are not additive - a 20% off plus 10% off is only 28% total. Here is why.

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Frequently Asked Questions

Multiply the original price by the discount percentage divided by 100 to get the discount amount. Subtract the discount amount from the original price. For example, 20% off $99.99: $99.99 x 0.20 = $20.00 discount, final price = $79.99.

Sales tax is applied after the discount is subtracted. This is the standard practice in most jurisdictions — you pay tax on the actual sale price, not the original price.

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Discount & Sale Price Calculator - Calculate Savings | ToolsCanvas