Healthy profit margins for service businesses usually fall between 15% - 25%.
Learning how to calculate profit margin is as easy as plugging numbers into this profit margin formula: [(Billable Revenue – (Cost Price + Overhead Expenses)) / Billable Revenue] × 100
To determine the total cost price of a job, use this simple formula: Total Cost Price = Labor Cost + Materials Cost
To determine the overhead expenses for a completed job, use this formula: Overhead Expenses = All Monthly Expenses / Working Hours Each Month) × Hours to Complete Job
Profit Margin Calculator Example:
Let’s say the billable revenue for a specific job is $4,000, while the total cost price for the job is $1,000 and the overhead expenses for the job total $1,000.In that case, the formula used to calculate the profit margin by the
calculator is:
[(4,000 (1,000+ 1,000)) / 4,000] × 100 = 50%