Guide
At 95% utilization, overtime costs $5.42 more per billable hour than a new hire would. A $240,000-revenue crew pays for its own startup cost in 5 months. Both numbers say the same thing at once: hire now.
Every growing crew hits the same wall eventually: too much work, not enough hands, and the honest question of whether to keep leaning on overtime or commit to a hire. Two different numbers answer it, and they tend to agree with each other before either one is obvious on its own.
At 95% utilization, a $32.50 loaded labor rate, and a 1.5x overtime multiplier, the cost of covering one more billable hour with overtime is $48.75. Bring on a new hire instead, at a $65,000 annual loaded cost expected to run at 75% utilization, and that same billable hour costs $43.33. The gap, $5.42 per hour, is not close. Above the 90% structural-overtime threshold, that gap crosses the point where a new hire is flatly cheaper than the overtime it would replace, and the recommendation flips to hire-now.
A new crew expected to bring in $240,000 in annual revenue, at a 42.4% contribution margin, generates $101,760 in annual contribution. Against $18,000 in incremental annual overhead and a $35,000 fixed startup cost (trucks, equipment, onboarding), the net annual value is $83,760, strongly positive, and the startup cost pays back in just 5.01 months. A verdict of "strong" means this is not a close call.
The staffing trigger point answers whether the current crew is stretched enough to justify adding headcount at all. The break-even answers whether the specific revenue opportunity in front of the business can actually support that headcount. A high utilization number without a revenue opportunity to back it up is a burnout risk, not a hiring signal. A strong break-even without the utilization pressure to justify it risks hiring ahead of real demand. Checking both before committing is what keeps the decision honest in either direction.
Backlog Required Before Hiring and Demand Needed for Another Crew answer a related but different question: not "is the current crew stretched" but "is there enough confirmed and pipeline work sitting behind the stretch to keep a new crew busy." A staffing-trigger hire made against a thin backlog risks a new crew sitting idle within a quarter, the same idle-capacity cost this guide is trying to avoid in the first place.
Key takeaway. Hire when the cost-per-hour gap between overtime and a new hire is wide and the new crew's expected revenue clears its own startup cost fast. One number without the other is an incomplete case either way.
Last updated: 2026-08-27
That is a real signal, not a contradiction. It usually means the current overtime crunch is temporary or project-specific rather than a durable demand increase, worth absorbing with overtime a while longer rather than committing to a full crew's fixed cost against uncertain ongoing revenue.
A new hire is rarely billable 100% of the time, ramp-up, training, and non-billable overhead eat into it. Using a realistic expected utilization instead of 100% is what keeps the cost-per-billable-hour comparison honest against overtime, which is always fully billable by definition.
The staffing trigger point math is the same regardless of role, cost per billable hour compared against overtime cost. The break-even side is crew-specific, a specialist hire (an estimator, a dispatcher) is a different revenue-and-cost shape covered instead by the management-layer engines in the companion guide.
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