Bid margin calculator

Direct cost in. Bid total out.

Markup waterfall: direct cost → overhead → contingency → profit. Move any lever, see the bid total update. Result is cumulative, not flat — so you don't under- or over-mark a bid by accident.

Inputs

Plug in your numbers.

Direct cost ($)

Material + labor + equipment, before any markup

Overhead %

O&P / general conditions / project-level overhead

Contingency %

Risk reserve, applied after overhead

Profit %

Net profit applied last (cumulative)

Waterfall

See where each layer lands.

Direct cost$500,000

Overhead (8.0%)$40,000

Subtotal$540,000

Contingency (3.0%)$16,200

Subtotal w/ contingency$556,200

Profit (7.0%)$38,934

Bid total$595,134

Total markup over direct cost: 19.0%

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