Contractor Profit Calculator ToolBy / Contractor Profit Calculator Contractor Profit Calculator Contract Value ($): Material Cost ($): Labor Cost ($): Equipment Cost ($): Overhead Cost ($): Contingency Rate (%): Tax Rate on Profit (%): Calculate Contractor Profit Profit After Tax This calculator provides an accurate estimate of your net profit after tax based on contract value, costs, contingency, and tax rates. Use the results to evaluate project performance and plan for improved margins in future contracts.