Customer Acquisition Cost (CAC) Calculator
Measure how much your business spends to acquire each new customer.
Total acquisition spend
—
CAC
—
Cost per customer
—
Customers acquired
—
Summary
Key insights
How CAC works
Customer acquisition cost measures the average spend required to convert a new customer. It helps founders judge efficiency and scale responsibly.
What this calculator covers
- Total acquisition-related spend
- Average cost per new customer acquired
- A simple efficiency benchmark for sales and marketing
- A unit economics input for growth decisions
Why founders use this
- To see whether acquisition spending is efficient enough to scale
- To compare channels and campaigns more accurately
- To support pricing, retention, and payback decisions
- To benchmark against customer lifetime value
Common questions
Quick answers to common founder questions related to this tool.
What costs should be included in CAC?
CAC often includes paid ads, sales labour, agency fees, marketing software, and any direct acquisition costs tied to winning customers.
Is a low CAC always better?
Not necessarily. CAC needs to be assessed relative to customer quality, retention, and lifetime value.