CAC Payback Period: Definition, Formula & SaaS Benchmarks
What is CAC Payback Period?
CAC Payback Period is the number of months it takes to recover the cost of acquiring a customer. It measures go-to-market efficiency: how long sales and marketing spend is 'at risk' before breakeven on a new customer. Shorter payback periods indicate a more capital-efficient growth model.
Formula
CAC Payback = CAC ÷ (ACV × Gross Margin %)Worked Example
If it costs $12,000 to acquire a customer paying $24,000 ACV with 75% gross margin, the gross-profit-adjusted payback is: $12,000 ÷ ($24,000 × 0.75) × 12 = 8 months. At 8 months, the customer begins generating positive margin contribution.
What Good Looks Like
Thresholds derived from live data across 0 public SaaS companies tracked on SaaSDB.
Live Rankings
View full rankings →| Rank | Company | CAC Payback Period |
|---|---|---|
| · · · | ||
Advertisement
Frequently Asked Questions
What is a good CAC payback period for SaaS?
Best-in-class SaaS companies target under 12 months for new logo payback. SMB-focused SaaS often achieves 6–9 months; enterprise SaaS with longer sales cycles typically runs 18–24 months.
Does CAC payback include expansion revenue?
Pure new-logo CAC payback does not include expansion. Some companies calculate a 'blended' payback that accounts for NRR-driven expansion, which can dramatically shorten the effective payback on initial spend.
How does CAC payback interact with NRR?
High NRR reduces the effective CAC payback over a customer's lifetime. A customer paying back CAC in 18 months who then expands 130% annually has an outstanding long-term unit economics profile despite the apparently long payback.