Discount Calculator
Find the sale price and the amount saved.
Input
This tool runs entirely in your browser. The data you paste or load is never uploaded.
Result
Enter your input, then run the tool.
About this tool
Calculates the final price after a percentage discount, optionally adding tax, and shows the savings. It also works backwards from a sale price to reveal the effective discount.
How to use it
- Enter the original price and the discount percentage.
- Add a tax rate if the final price includes one.
- Read the sale price, savings and tax amount.
Frequently asked questions
Do stacked discounts add up?
No. 20% then 10% equals 28% off, not 30%, because the second discount applies to the reduced price.
Should tax apply before or after the discount?
In most jurisdictions tax applies to the discounted price. The order changes the result, so use the mode that matches your invoice.
Keep going
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