Calculator

Contribution Calculator

Sale price minus selling costs is Net Proceeds. Net Proceeds minus True Cost is Contribution.

For Online sellers

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Use it here.

Sale price

Marketplace and payment fees

Shipping and packaging

True Cost

Labor to fulfill this one (optional)

Net Proceeds$0.00Contribution$0.00Fees on this sale: $0.00

What this number is

Contribution is what this transaction gave the business to work with, before rent, payroll, software, and you. It is not net profit. Leave the labor field empty unless you are examining a workflow: per-card labor is a question about the process, not a line on the card.