How to use this tool
Replace the example values with your own inputs. Results update as you type. Keep your measurement period and definitions consistent, then use the result to inform the next question in your advertising review.
The formula
Contribution per order = revenue − product − shipping − payment fees − acquisition cost.
Worked example
A 60 order with 18 product cost, 5 shipping, 3% payment fees and 15 CPA leaves 20.20 contribution.
What the result can tell you
Returns, taxes, fixed overhead and other costs are excluded. Subtract them before treating this estimate as net profit.
Is it free, and where do my inputs go?
The tool runs in your browser without an account or an ad-platform connection. Calculation inputs are not sent to WhatWins. If you save a scenario, it stays in this browser on this device.