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CAC & LTV calculator
Enter five numbers and see your unit economics the way an investor reads them — CAC, lifetime value, the LTV:CAC ratio and how fast you recoup acquisition spend.
LTV : CAC ratio — Enter your numbers
Customer Acquisition Cost —
Lifetime Value (margin-adj.) —
Avg. customer lifetime —
CAC payback —
How it's calculated
- CAC = spend ÷ new customers
- Avg. lifetime = 1 ÷ monthly churn
- LTV = revenue/customer × gross margin × lifetime
- LTV:CAC = LTV ÷ CAC (3:1+ healthy)
- Payback = CAC ÷ monthly margin (≤12 mo healthy)
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