Average Customer Lifespan
Estimate how long an average customer stays from your churn rate.
AVERAGE LIFESPAN
20
months (≈ 1.7 years)
Average lifespan = 1 ÷ churn rate. Halving churn roughly doubles how long customers stay.
What is Average Customer Lifespan?
Average customer lifespan is how long a typical customer stays before churning. It's the inverse of your churn rate and a key input into lifetime value.
Average lifespan = 1 ÷ churn rate
How to read your result
- At 5% monthly churn, the average customer stays ~20 months.
- Halving churn roughly doubles average lifespan.
- Lifespan feeds directly into LTV calculations.
- Use the same period (monthly or annual) for churn and lifespan.
Frequently asked questions
How do you calculate customer lifespan?
Divide 1 by your churn rate (as a decimal). A 4% monthly churn rate implies an average lifespan of 25 months.