Free business calculator

Monthly Overhead Per Job Calculator

Turn rent, insurance, vehicles, admin, software, and marketing into overhead per job and overhead per billable hour.

Use the calculator Use overhead in a quote

Tool & Tally calculators are for general business planning and estimating; they are not tax, legal, payroll, financial, or accounting advice. No guaranteed revenue, profit, leads, bookings, sales, rankings, or ROI.

Overhead allocation

Enter monthly fixed overhead and expected work volume.

Formula and assumptions

How the calculator works

Monthly Overhead = Rent + Insurance + Vehicles + Software + Admin + Marketing + Utilities/Misc
Overhead Per Job = Monthly Overhead / Expected Jobs
Overhead Per Billable Hour = Monthly Overhead / Expected Billable Hours
Overhead Share of Revenue = Monthly Overhead / Expected Monthly Revenue

Common mistakes this catches

Pricing jobs with no share of fixed monthly costs.
Using only materials and field labor as job cost.
Forgetting software, insurance, bookkeeping, shop, and owner admin time.
Ignoring slow months when jobs per month drop.

Next useful calculators

Minimum Job Price Calculator

Use overhead per job when setting a price floor.

Job Profit Margin Calculator

Check if a job covers its allocated overhead.

Contractor Job Cost Calculator

Add overhead into a full job cost model.

Business Number Path

Your next number: follow-up value

After overhead is included, check whether already-sent quotes are being followed up before buying more traffic.

This keeps the free tools connected as an owner workflow: price → margin/markup → labor/overhead → follow-up → cash pressure → Business Health Quick check.

Choose the next safe check

Check quote follow-up value Check cash-flow gap

Free planning aids only. No calculator guarantees revenue, profit, leads, bookings, rankings, sales, or ROI.