Estimate only — not a licensed bid, appraisal, or tax advice. Numbers stay in your browser.
Bid worksheet
Cost-plus bid calculator: cost first, fee second
Cost-plus is transparent — and easy to under-fee. Enter estimated reimbursable cost and a percent fee — see the bid total and effective margin.
Line-item workbenchLive calc
Bid stack
- Cost
- $60,000.00
- Fee
- $9,000.00
- Bid
- $69,000.00
Markup 15.0% · Margin 13.0%
Common questions
Owner pays agreed costs plus a contractor fee.
Percent scales with cost; fixed fee needs a tight cost definition.
Related; cost-plus fee language is often what owners hear.
Cap is a contract term — model the fee inside the cap carefully.