PRIX TOOLS / Ecommerce calculators
Discount Profit Calculator
Compare unit contribution before and after a discount and calculate the units needed to retain total contribution.
Get started

Discount Profit Calculator — steps and download
Enter current price, cost and discount percentage. Compare discounted unit profit and the sales uplift needed to retain the same contribution.
Can sales uplift offset a loss-making discount?
If unit contribution is zero or negative, selling more units cannot preserve positive contribution. The tool does not present that as a valid growth percentage.
Frequently asked questions
How are required units calculated?
Divide the previous total contribution by the new per-unit contribution. Zero or negative contribution cannot recover it through added volume.
Can sales uplift offset a loss-making discount?
If unit contribution is zero or negative, selling more units cannot preserve positive contribution. The tool does not present that as a valid growth percentage.
Are my files and input data uploaded?
Tool processing runs on your device; file and form contents are not sent to a server for processing. Loading the website still creates standard web requests. Using a contact link is a separate action.
Do I need an account or API key?
No account or API key is required for the tool. Use is free within the file, operation and device limits stated on the page.