How to use this tool
A decision, not just an output
Measure contribution margin after shipping, packaging, fees, ads, and returns. Read the output alongside its interpretation, assumptions, limitations, and source. Marketplace rates and external requirements should always be confirmed at the linked official source.
Formula & example
Transparent method
Net contribution = selling price − product, packaging, shipping, marketplace, payment, advertising, return, and other entered costs.
Example: A $50 order with $8 shipping and $25 in other costs contributes $17, or 34%.
Frequently asked questions
Is the Shipping Margin Calculator free?
Yes. The primary result is available without creating an account or entering an email address.
How is the result calculated?
Net contribution = selling price − product, packaging, shipping, marketplace, payment, advertising, return, and other entered costs.
What should I verify before using it?
This is not tax, legal, or accounting advice.
Are my inputs private?
Core inputs are processed in your browser. GetShipMargin Tools records anonymous interaction events, not the business values entered into this form.