CAC
CAC Calculator
Calculate customer acquisition cost from total spend and new customers.
Calculate customer acquisition cost
Result
USD
Enter cost and customers to calculate CAC.
Enter cost and customers to calculate CAC.
Calculated CAC will appear here.
Formula used
CAC = Total cost / New customers
What is CAC?
CAC means customer acquisition cost. It shows the average cost to gain one new customer by dividing total marketing and sales cost by the number of new customers.
How It Works
Calculate CAC in a few steps
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Enter total cost
Add marketing and sales spend, or calculate it from expense rows.
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Enter new customers
Add the number of customers acquired from that spend.
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Review CAC
Check the cost per customer and the formula used.
Features
Built for focused CAC checks
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CAC calculation
Turns total spend and new customers into cost per customer.
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Optional cost helper
Adds expense rows only when you need help totaling spend.
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Currency formatting
Formats results for common currencies without exchange conversion.
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Copy-ready result
Copies the answer and formula for reports or notes.
Frequently Asked Questions
Quick answers to common questions about using this tool.
What is CAC? +
CAC means customer acquisition cost. It shows the average cost to gain one new customer by dividing total marketing and sales spend by new customers.
How do you calculate CAC? +
Divide total acquisition cost by the number of new customers. For example, $5,000 in acquisition cost and 100 new customers equals a $50 CAC.
What costs should I include? +
Include ad spend, marketing tools, agency fees, sales costs, creative costs, and campaign costs when those costs helped acquire the customers being measured.
Can I use this for ecommerce or SaaS? +
Yes. CAC works for ecommerce, SaaS, agencies, and other businesses as long as the spend and new customer count cover the same period.
Does currency conversion happen? +
No. The currency selector only changes number formatting. It does not convert values between currencies.
Why is CAC important? +
CAC helps compare acquisition cost with revenue, margin, payback period, or customer lifetime value so you can judge whether growth is financially sustainable.
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