Project Cost Estimator
Build a line-item estimate with overhead and contingency rolled in.
The project cost calculator rolls up line-item estimates into a total project cost with overhead and contingency applied. Add as many labor and material rows as your project requires, set your overhead and contingency percentages, and get a fully loaded project total. Use it to structure your estimate before moving to formal proposal software.
- Overhead typically runs 10–20% for residential contractors — track your actual overhead annually and update this rate.
- Apply contingency after overhead, not before — the industry standard applies it to the overhead-inclusive subtotal.
- Break labor and material into separate line items so you can quickly adjust either without recalculating the whole estimate.
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