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Customer Lifetime Calculator

Compute average customer lifetime in months from your annual churn rate.

Annual churn rate (%) ?

Customer Lifetime — Enter values to compute

Formula: 12 / (Annual churn rate as decimal)

Benchmarks

Customer lifetime (months, higher is better)

Top 10% (p90)

240 mo

Top quartile (p75)

144 mo

Median (p50)

96 mo

Bottom quartile (p25)

60 mo

Churn Rate — Compute annualized customer churn rate. Lower = stickier customer base.
LTV — Estimate customer lifetime value from ARPU, gross margin, and churn.
LTV:CAC Ratio — Compute the LTV-to-CAC ratio. The single most-cited SaaS unit-economics test.