Customer Acquisition Cost Calculator
Enter the numbers from your last month or quarter. We'll show you what each lead, appointment, and customer is really costing — and whether your marketing and sales spend is paying off.
Your Numbers
Use monthly figures for the cleanest results. Leave a field blank if you don't track it.
Marketing Spend
Additional Marketing Costs
Optional: flyers, mailers, sponsorships, referral fees, directories, events, print ads, content, photography, video, or other promotion expenses.
Subtotal: $0.00
Lead & Customer Volume
Customer Value & Profit
Customer Acquisition Cost
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Total spend of $0.00 across 0 customers.
Total marketing cost
$0.00
Cost per lead
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Cost per appointment
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Booking rate
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Close rate
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Lead → customer
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Estimated revenue
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Estimated gross profit
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Gross profit per customer
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Break-even customers
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Marketing ROI
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Return on spend
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Estimates only. Results depend on accurate inputs and don't include overhead, refunds, or lifetime value.
How this is calculated
- Total Marketing Cost = Ads + Tools + Agency / Management + Additional Marketing Costs
- Cost Per Lead = Total Marketing Cost ÷ Leads
- Customer Acquisition Cost = Total Marketing Cost ÷ New Customers
- Close Rate = New Customers ÷ Leads
- Revenue Generated = New Customers × Average Revenue
- Gross Profit Generated = Revenue × Gross Margin
- Gross Profit Per Customer = Average Revenue × Gross Margin
- Marketing ROI = (Gross Profit − Marketing Cost) ÷ Marketing Cost
- Break-Even Customers = Marketing Cost ÷ Gross Profit Per Customer
A practical guide for service business owners
Service business customer acquisition cost is the total amount you spend on marketing, software, and follow-up labor divided by the number of new customers you actually close. It's the single clearest number for understanding whether your sales process is working — or quietly bleeding profit.
Why cost per lead matters. Cost per lead tells you what it takes to get a phone to ring or a form to come in. A high cost per lead isn't always a problem — but if your leads are expensive and few of them turn into booked jobs, your marketing spend is doing the work and your sales process is undoing it.
Why booked appointment rate matters. The gap between a lead and a booked appointment is where most service businesses lose money. Slow callbacks, missed texts, and unanswered quote requests quietly drag this number down. Improving lead follow-up is usually the fastest, cheapest lever an owner has.
Why close rate matters. Close rate is a mirror for your sales process. If you book plenty of appointments but only a fraction become customers, the issue is usually how quotes are presented, how objections are handled, and whether anyone is following up after the first "let me think about it."
Why return on sales and marketing spend matters. Revenue alone hides problems. Return on spend — how many dollars of revenue (or gross profit) each marketing dollar produces — tells you whether growth is actually paying for itself. Two businesses can look identical on the outside while one is profitable and the other is just busy.
Most owners don't need more leads. They need a tighter sales process: faster response times, a clear follow-up sequence, and someone owning the handoff from inquiry to booked job. That's the work an operations consultant focuses on with Orange County service businesses — small process changes that move close rate and return on spend without raising the ad budget.
Want help improving these numbers?
A free 30-minute operations review. We'll look at your follow-up, close rate, and where leads are slipping — then give you a clear plan to fix it.