Margins, break-even & unit economics · Core
Customer acquisition cost
Also called: CAC
ELI5
Sales and marketing cost allocated to newly acquired customers under a stated method.
Used in conversation
“Compare customer acquisition cost with the same cohort and period before drawing a conclusion.”
Pitch context
You will see “Customer acquisition cost” in financial models, budgets, board packs and investor materials when the discussion reaches margins, break-even & unit economics.
Why it matters: In margins, break-even & unit economics, different calculation boundaries, periods or accounting treatments can change the number and the decision.
Caution
Calculation, recognition and disclosure can vary by accounting framework, company policy and reporting context.
Connected terms
- Cost per acquisitionCAC estimates cost to acquire a customer; CPA measures cost per defined action or acquisition event, which may not be a customer.
Sources & evidence · 4
Direct term-level sources and supporting source families.
- U.S. Small Business Administration — Break-even pointDirect source · primary · checked 2026-08-16
- IFRS Foundation — IFRS GlossaryDirect source · primary · checked 2026-08-16
- Financial Accounting Standards Board — FASB Accounting Standards CodificationSupporting source family · primary · checked 2026-08-16
- U.S. Securities and Exchange Commission — Non-GAAP Financial Measures — Compliance and Disclosure InterpretationsSupporting source family · primary · checked 2026-08-16