Discount calculator
Stack successive percent-offs and see the effective discount.
Runs in this tab. The file stays here.
This runs in your browser. Nothing is uploaded.
About Discount calculator
Apply stacked percentage discounts and see the effective markdown.
Successive discounts multiply. 20% then 10% on $100 is $72, not $70. The page shows final price and effective percent off.
How to use Discount calculator
- 1Enter list price.
- 2Enter up to three discount percents.
- 3Read final price and effective %.
Common questions
Why isn't 20% + 10% = 30%?
Because the second cut applies to the already-reduced price.
Related tools
Why this one doesn't upload your file
There is no server to upload to. This page is a static file, and the work happens in your browser using the same graphics and WebAssembly code that renders every other site you visit. Your file is read from disk into memory, processed, and handed back as a download. Once the page has loaded you can disconnect from the network entirely and it keeps working. The longer explanation