Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Construction & Bidding
Construction Overhead Recovery Calculator
Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
Overhead recovery add-on per job from monthly overhead and job duration. Planning estimates only — verify measurements and local codes on site.
Inputs
500100000
1026
1180
010000
Smart analysis
Recommendations
Tailored to your live inputs and result—guidance only, not professional advice.
- Interpret
Treat this as a planning estimate
Primary result: Bid add-on = $4,400.00. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.
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Plain-English guide
Terms & how it works
Confused by a field? Read the short definitions here while you use the tool.
Monthly overhead
The “Monthly overhead ($)” value used in this tool’s formula. Adjust it to see results update live.
Working days/month
The “Working days/month” value used in this tool’s formula. Adjust it to see results update live.
Job duration (days)
The “Job duration (days)” value used in this tool’s formula. Adjust it to see results update live.
Permit fees
One-time or recurring costs that affect total money paid.
- monthlyOverhead
Monthly overhead ($)
The “Monthly overhead ($)” field. Default 8000; typical range 500–100000.
- permitFees
Permit fees ($)
The “Permit fees ($)” field. Default 400; typical range 0–10000.
How this calculator works
Overhead recovery add-on per job from monthly overhead and job duration. Planning estimates only — verify measurements and local codes on site. Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits. Example: $8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
Example: $8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
When to use this Permit & Overhead Recovery
Common use cases
- Overhead recovery add-on per job from monthly overhead and job duration.
- Sanity-check with this case: $8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
- The relationship is: Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
Localized examples
- Construction & Bidding: the example on this page uses the same formula as the widget.
What you get
- Fields: Monthly overhead ($), Working days/month, Job duration (days), Permit fees ($)
- Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
- Example on the page: $8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
How to Calculate Permit & Overhead Recovery Step-by-Step
- 1Enter Monthly overhead ($), Working days/month, Job duration (days), then the remaining fields. Use the values you have, not a catalog average, unless that is all you know.
- 2Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
- 3Worked case: $8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
- 4Buy materials after you walk the job. This is a first-pass quantity, not a purchase order.
Governing formula
Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
$8k/month overhead, 20 working days, 10-day job + $400 permit → ~$4,400 add-on.
Example: set Monthly overhead ($) = 8,000, Working days/month = 20, Job duration (days) = 10, then read the result.
Variable definitions
- monthlyOverhead
Monthly overhead ($)
The “Monthly overhead ($)” field. Default 8000; typical range 500–100000.
- workingDaysPerMonth
Working days/month
The “Working days/month” field. Default 20; typical range 10–26.
- jobDays
Job duration (days)
The “Job duration (days)” field. Default 10; typical range 1–180.
- permitFees
Permit fees ($)
The “Permit fees ($)” field. Default 400; typical range 0–10000.
- The takeoff (Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.) ignores waste, code, and what you find when you open the wall. Measure twice on site.
- Nothing here is uploaded for the calculation itself.
Frequently Asked Questions
Daily overhead = monthly overhead ÷ working days; job add-on = daily × job days + permits.
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Reviews & Ratings
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4.8
out of 5.0
4 reviews
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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