Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Working days required
26.7
Total crew labor cost
$69,333
Labor cost per unit
$5.78
Adjusted daily output
450.0
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How to use this
- 1Enter total quantity (units).
- 2Enter crew daily output (units/day).
- 3Enter crew fully burdened cost ($/day).
- 4Enter productivity adjustment (%).
- 5Read your working days required on the right — it updates as you type.
- 6Hit Share to keep the scenario or send it to someone.
About this calculator
Productivity estimating means knowing how much a specific crew size and composition can install per day of a given work item — linear feet of framing, square feet of drywall, cubic yards of concrete placed — so you can build a duration and a labor unit cost from first principles instead of a gut-feel percentage of a subcontractor quote. This calculator takes your total quantity, the crew's daily output rate (from historical production data or published estimating manuals like RSMeans), and the crew's fully burdened daily cost, then returns the number of working days required and the resulting labor cost per unit of work. It also flags what happens if productivity comes in below plan, since a 20% productivity miss on a long-duration item can blow a schedule float and turn a profitable line item into a loss.
Worked example
Using the values the calculator loads with:
Inputs
- Total quantity: 12000 units
- Crew daily output: 450 units/day
- Crew fully burdened cost: 2600 $/day
- Productivity adjustment: 100 %
Results
- Working days required: 26.7
- Total crew labor cost: $69,333.33
- Labor cost per unit: $5.78
- Adjusted daily output: 450
What each field means
Inputs
- Total quantity (units)
- The total quantity used in the calculation, measured in units. Starts at 12000 units so you have a working example on load.
- Crew daily output (units/day)
- The crew daily output used in the calculation, measured in units/day. Starts at 450 units/day so you have a working example on load.
- Crew fully burdened cost ($/day)
- The crew fully burdened cost used in the calculation, measured in $/day. Starts at 2600 $/day so you have a working example on load.
- Productivity adjustment (%)
- The productivity adjustment used in the calculation, measured in %. Starts at 100 % so you have a working example on load. Accepted range: 40–130 %.
Results
- Working days required
- Returned as a decimal number and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total crew labor cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Labor cost per unit
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Adjusted daily output
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
Where do daily output rates come from if I don't have my own historical data?
RSMeans, published trade association production tables, and your own timecards tagged to specific work items are the three standard sources. If you're new to a work type, use a published rate and apply a productivity adjustment below 100% (commonly 80-90%) for the first few jobs until you build your own historical baseline, then recalibrate.
How much does a productivity adjustment actually swing labor cost?
Because cost per unit is inversely proportional to output, a productivity factor of 80% instead of 100% doesn't add 20% to labor cost — it adds 25% (1 ÷ 0.8 = 1.25). This nonlinear relationship is why productivity misses hurt more than they look like at first glance, and why experienced estimators pad output assumptions conservatively rather than optimistically.
What factors most commonly drag real productivity below the plan rate?
Site congestion with other trades, poor material staging forcing extra handling, weather on exterior work, crew inexperience with a specific assembly, and stop-start scheduling from incomplete predecessor work are the top five. Confined urban sites and vertical multi-trade stacking commonly cut productivity 10-25% below open, single-trade production rates.
Should I use the same crew cost rate for estimating and for tracking actual job cost?
Use the same burdened daily rate for both so your estimate-to-actual comparison is apples to apples; if you estimate with a blended average wage but track actuals with certified payroll rates, every job will show a phantom variance that has nothing to do with real productivity performance.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
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Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Crew Productivity Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/crew-productivity-per-day
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/crew-productivity-per-day" target="_blank" rel="noopener">Crew Productivity Calculator — RevenueLab</a> (2026).</p>
Source: [Crew Productivity Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/crew-productivity-per-day) (2026).