Auto repair & detailing
Auto Detailing Revenue Calculator
Project detailing revenue from bay capacity, service mix and the share of customers who return.
Result
Service lines rarely carry the same margin. Splitting them is the only way to see which part of the business is paying for the rest, which is frequently not the part that looks busiest.
Get a Free Business AuditWhat moves the number
- Bay hours available, which is the hard ceiling on a fixed site.
- Average service value, which moves with mix rather than with price rises alone.
- Repeat rate, since a maintained vehicle returns and takes less time each visit.
Where this one goes wrong
Forecasting growth from more new customers. Detailing rewards retention heavily, because a maintained vehicle is quicker to service and returns predictably, and chasing new customers while losing existing ones is expensive.
Questions
About this calculator
What raises detailing revenue fastest?
Usually mix rather than volume. Moving customers from a wash to a maintenance plan, or from a maintenance detail to a protection service, raises revenue without needing more vehicles.
Are maintenance plans worth it?
They smooth the seasonal swing and the vehicles take less time each visit, which is worth more than the headline discount. Price them from the cost of delivery rather than from a percentage off.
How should capacity be measured?
In bay hours, not vehicles. A day of corrections and a day of washes are the same hours and very different vehicle counts.
The formula
revenue = jobs x average value; gross profit = revenue x margin
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How to use this calculator
- Repair jobs per month. Enter your own figure; the page starts at 28.
- Average value ($). Enter your own figure; the page starts at $520.
- Gross margin on this work (%). Enter your own figure; the page starts at 46%.
- Share of total revenue (%). Used to show what the whole business turns over.
The result updates as you type, so you can try a figure, see what it does to repair revenue per month, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Repair jobs per month | 28 |
| Average value | $520 |
| Gross margin on this work | 46% |
| Share of total revenue | 40% |
What comes out
| Result | Value |
|---|---|
| Repair revenue per month main result | $14,560 |
| Per year | $174,720 |
| Gross profit per year | $80,371 |
| Implied total business revenue | $436,800 |
The repair line brings in $174,720 a year and earns $80,371 of gross profit on it.
How sensitive the answer is
Holding everything else steady and changing only average value, this is what happens to repair revenue per month. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Average value ($) | Repair revenue per month |
|---|---|
| $260 | $7,280 |
| $390 | $10,920 |
| $520 example above | $14,560 |
| $780 | $21,840 |
| $1,040 | $29,120 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Repair jobs per month
- A number, between 0 and 10000, starting at 28.
- Average value ($)
- A money amount, starting at $520.
- Gross margin on this work (%)
- A percentage, between 0 and 95, starting at 46%.
- Share of total revenue (%)
- Used to show what the whole business turns over.
What the results tell you
| Result | What it is |
|---|---|
| Repair revenue per month | The headline result. A money figure. |
| Per year | A money figure. |
| Gross profit per year | A money figure. |
| Implied total business revenue | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.