Gross profit dollars
See revenue minus labor and every assigned job cost.
KNOW WHAT YOU KEEP
Revenue looks good on a calendar. Gross margin shows whether the price covers the labor and business costs assigned to the job. Enter the complete cost to see what remains.
No account. No copied averages. Built around your business.
See revenue minus labor and every assigned job cost.
Compare gross profit with the total amount charged.
See what remains per working hour after non-labor costs.
USE THE FREE TOOL
PRACTICAL PRICING GUIDE
A $300 booking is not $300 in earnings. Subtract paid labor or owner labor, chemicals, fuel, processing fees, and allocated overhead before deciding whether the job works.
Gross margin is gross profit divided by revenue. Markup is profit divided by cost. They are not the same: a 50% markup produces a 33.3% margin.
Use realistic time. Include travel, setup, pack-down, messages, and expected rework when they are part of delivering the service. Keep taxes and owner distributions separate from this job-level operating estimate.
GROSS MARGIN FORMULA
Use the same cost categories on every job. This makes an interior detail, coating, and correction comparable even when their prices and hours are very different.
$200 DETAILING JOB EXAMPLE
This example treats the owner's four working hours as labor cost. It is an illustration of the formula, not a claim about typical detailing costs.
| Revenue | Owner labor | Supplies | Travel | Overhead | Card fee | Gross profit | Gross margin |
|---|---|---|---|---|---|---|---|
| $200 | $120 | $24 | $15 | $20 | $6 | $15 | 7.5% |
Calculation: $200 − $120 − $24 − $15 − $20 − $6 = $15. Then $15 ÷ $200 = 7.5%.
COMPARE THE RIGHT NUMBERS
Define each number before using it to make a pricing decision. Your bookkeeping definition may differ, so keep the calculator's job-level method consistent.
Revenue left after the labor and operating costs assigned to the job.
Gross profit divided by revenue. A $30 profit on $100 revenue is a 30% margin.
Profit divided by cost. A $30 profit on $70 cost is a 42.9% markup—not a 42.9% margin.
Count hands-on and required travel time as labor so unpaid work does not appear as business profit.
Calculate the mileage and drive-time cost before checking margin →
COMMON QUESTIONS
For this calculator, gross margin is the job revenue left after the labor and operating costs assigned to that job, divided by revenue. Use the same cost categories every time so jobs are comparable.
There is no universal target. Service mix, local pricing, labor structure, capacity, and which overhead costs you allocate all affect the result.
Yes. Treat your working time as a cost so business profit is not confused with unpaid labor.
A percentage fee rises with the quote, so the calculator solves for it rather than treating it as a fixed dollar cost.
THE DETAILER PRICING KIT
Six practical templates to turn a calculated price into a quote your customer can approve.
No subscription. Use it for every job.