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GlossaryJune 17, 20252 min read
Payback Period
Payback: 12-18 months acceptable, under 12 strong, over 24 concerning. Determines cash needs.
By The Ad Spend

Time required to recover customer acquisition cost through revenue. Critical for cash flow planning.
Formula
CAC ÷ Monthly Revenue per Customer
Benchmark range
SaaS benchmark: 12-18 months acceptable. Under 12 months is strong. Over 24 months is concerning.
Why it matters
Payback determines cash requirements. $1,000 CAC with $100 monthly revenue = 10 month payback. Fast payback = reinvest quickly. Slow payback requires significant capital to grow. Investors watch this closely.
Where it applies
- SaaS Metrics