Estimate only — not a licensed bid, appraisal, or tax advice. Numbers stay in your browser.
Bid worksheet
How much markup should a GC add on subcontractors?
Sub quotes are not free money to pass through at cost. Supervision, coordination, warranty risk, and cash-flow still need a number. Enter the sub total and your markup %.
Line-item workbenchLive calc
Bid stack
- Direct cost
- $10,000.00
- Profit
- $1,000.00
- Bid
- $11,000.00
Markup 10.0% · Margin 9.1%
Common questions
Often lower than self-performed work — many shops use roughly 5–15%; contracts may cap it.
Related idea; this page is percentage math on the sub total you enter.
Follow your contract and local rules; enter the sub number the way you will bill it.
Coordination and risk are real costs — the calculator shows the dollars, not the pitch.