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SaaS Churn Rate & LTV Calculator
The two numbers that define a subscription business: how fast you lose customers (churn) and how much each one is worth over time (LTV).
Monthly Churn
0%
Annual Churn
0%
Avg. Lifetime
0 mo
Customer LTV
$0
LTV : CAC benchmark
Healthy ≥ 3:1
At this churn, customers stay an average of 0 months. Reduce monthly churn by 1 point to see the impact.
Standard LTV formula: ARPU × Gross Margin ÷ Monthly Churn.
Churn & LTV explained
Monthly churn = customers lost ÷ customers at start. Annual churn ≈ 1 − (1 − monthly churn)12. Average lifetime = 1 ÷ monthly churn (in months).
Customer Lifetime Value (LTV) = ARPU × Gross Margin ÷ Monthly Churn. A healthy SaaS typically targets an LTV:CAC ratio above 3:1.