KnowledgeCustomer Acquisition Cost
CAC · The average amount spent to win one new customer.
Understand CAC in context.
Simply explained explanation
The average amount spent to win one new customer.
Professional explanation
Acquisition cost divided by verified newly acquired customers, ideally including the agreed marketing and sales expense scope.
Analytical explanation
Compare paid-acquired and blended CAC separately; attribute new customers with CRM or order data rather than treating every purchase as a new customer.
Technical explanation
CAC = selected acquisition costs / distinct newly acquired customers. Document gross vs net spend, returning customers and cross-channel duplication.
Four complementary explanations — choose your level. Technical definitions are platform-specific where noted.
↗ How to use it
Segment first-time and returning customers.
⚠ Common interpretation mistake
CPA for a purchase event can be very different from new-customer CAC.
Metric calculator
Adjust the inputs to see how the metric is calculated.