CAC Calculator
Calculate customer acquisition cost.
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About the CAC Calculator
Calculate customer acquisition cost free: total sales & marketing spend ÷ new customers acquired in the period. CAC is the number investors ask about and founders obsess over — pair it with lifetime value and aim for the classic 3:1 LTV:CAC benchmark. Include salaries, tools, and ad spend in the numerator for an honest figure, then watch how it trends as you scale channels.
How to use the CAC Calculator
- 01Enter your sales & marketing cost and new customers acquired.
- 02Read the result instantly — it recalculates as you type.
- 03Adjust the numbers to model different scenarios.
Frequently asked questions
What is CAC?
Customer Acquisition Cost = total sales & marketing spend ÷ new customers acquired in the same period.
What is a healthy LTV:CAC ratio?
A 3:1 LTV-to-CAC ratio is a widely used SaaS benchmark — you earn three times what it costs to acquire a customer.
What costs go into CAC?
Everything spent to win customers: ad spend, sales and marketing salaries, tools, agencies, and content — divided by new customers in the same period.