About the Invoice Profit Calculator
Profit and margin on an invoice after the costs of delivering the work (labor, materials, subcontractors).
Also known as: job profit, profit on invoice, project margin.
How to use this calculator
- Enter invoice amount (before tax), costs.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Profit = invoice − costs
Worked example
Using the values pre-filled in the calculator above:
- Invoice amount (before tax) = 12,000
- Costs: 4500, 1800, 900
the calculator returns:
- Profit: 4,800
- Margin: 40%