Job Costing Calculator
Add up materials, labour and overhead costs for a specific job to see total cost and profit margin against the price charged.
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How this calculator works
Enter materials, labour and an overhead allowance for a specific job, along with the price charged, to see total job cost, profit and margin for that individual job.
Frequently asked questions
Why include an overhead allowance per job?
Overheads like insurance, rent and admin still apply to every job, so spreading a share across each job gives a more accurate profit picture.
How should I estimate labour cost?
Multiply hours worked on the job by your fully loaded hourly labour cost, including on-costs like superannuation.
What if a job shows a loss?
A negative profit means the price charged didn't cover total job costs — useful to catch before quoting similar jobs again.
Results are estimates only and are not financial, tax, legal or credit advice.