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Free General Contractor Calculator

General Contractor Quote Estimator

Use this free GC quote estimator to price any project quickly — labor, materials, subcontractor costs, and markup.

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Materials$0.00
Labor$0.00
Subtotal (Cost)$0.00
Profit Amount$0.00
Quote Price$0.00

TradeToolCalc calculators are for informational and educational purposes only. Results are estimates based on the inputs you provide and should not be relied upon as financial, legal, or professional advice. Always verify figures with a qualified accountant or business advisor before making pricing or business decisions. TradeToolCalc accepts no liability for decisions made based on calculator outputs.

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General Contractor Quoting — Frequently Asked Questions

A general contractor should price a project by calculating all direct costs — materials, labor, subcontractors, permits, and equipment — then adding a profit margin of 15—25% on top. Many GCs also add a separate line for project management or overhead recovery. Use this estimator to build your cost baseline, then apply your target margin to arrive at a competitive but profitable quote price.
A general contractor should target a 15—25% profit margin on each project. A 20% margin means that for every dollar of revenue, 20 cents is net profit after all costs. On a $25,000 project at 20% margin, your profit is $5,000. Lower margins than 15% leave insufficient buffer for cost overruns, change orders, and slow payment — all of which are common on GC projects.
Accurate hour estimation is the most critical skill in GC quoting. Break the project into phases, estimate each phase independently, then add a contingency buffer of 15—25% for unforeseen issues. Track your actual hours against estimates on every project — over time you'll identify which types of work consistently run over and adjust your estimates accordingly. Underestimating hours is the primary driver of GC cost overruns.
Your labor rate should be based on your actual overhead and income requirements, not market guesswork. Use the Hourly Rate Calculator to find your minimum required rate, then build every quote on top of that number so labor-heavy projects still protect your margin. Factor in your true required rate from the start.
Materials typically represent 40—60% of a general contracting project quote. On a $25,000 job, that is $10,000—$15,000 in materials. GCs should mark up materials 40—60% above cost — not pass them through at cost — because sourcing, managing, and delivering materials to site is a value-added service. Always get firm material quotes before submitting a bid, and consider adding a 5—10% contingency buffer on top of your material estimate.

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