Free tool
Mechanic Efficiency Calculator
billed ÷ clocked hours
Calculate technician efficiency ratio for a week or a job: how much clocked time becomes billed labor on the repair order.
Technician efficiency ratio
Efficiency = billed (flag) hours ÷ clocked hours. Many diesel shops target 75–90% shop-wide; individual techs vary by role.
Efficiency
85.0%
Healthy — room to tighten dispatch and billing
Clocked hours
40.0
Billed hours
34.0
Unbilled time this period: 6.0 hours
Clocked hours should come from time logs tied to jobs. Billed hours come from the repair order labor lines you invoice.
The formula
Efficiency % = (billed or flag hours ÷ clocked hours) × 100. Clocked hours come from time logs; billed hours come from labor lines you invoice. Gaps often mean comebacks, training, waiting on parts, or time not tied to a job — fix the workflow, not just the number.
Why WrenchPilot Leads
Built for heavy-duty diesel and truck repair shops — powerful for any repair shop.
Clocked vs billed
If time does not attach to the active job, efficiency looks fine on paper while margin leaks.
Per tech, per week
Shop-wide averages hide one tech carrying the bay and another losing hours to non-billable work.
Live in software
WrenchPilot ties tap-to-clock time to the job so billed vs clocked is visible without end-of-week spreadsheets.
Frequently asked questions
Straight answers about workflow, implementation, and how WrenchPilot fits heavy-duty shops.
Track efficiency automatically
See billed vs clocked by tech and job in WrenchPilot.
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