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Overhead & Profit (O&P) Calculator
Compare clearly labeled sequential and additive overhead-and-profit markups on a base job cost.
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01 / EnterThese are editable examples, not recommended rates. Enter your own numbers.
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Show the math
Estimates use unrounded numbers. Displayed amounts round to cents.
What this means
Sequential O&P first adds overhead, then applies profit to the larger subtotal. Additive O&P applies both percentages to base cost.
Worked example
$1,000 with 10% overhead and 10% profit gives $1,210 sequentially or $1,200 additively. The methods differ by $10.
How the math works
Sequential price = base × (1 + overhead/100) × (1 + profit/100). Additive price = base × (1 + (overhead + profit)/100). Difference = base × overhead/100 × profit/100.
About this estimate
Both percentages are markups on their explicitly stated bases, not margins on final selling price. No tax or fees. Applicable contracts or estimating practices determine the method; neither is universally required in construction or insurance work.
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Formula v1.0.0 · Reviewed · Tool ID: overhead-profit