Churn is the quietest number in a business: nothing happens on the day a customer leaves. Turned into a lifetime and a yearly cost, it becomes something you can act on.
Churn rate calculator
Your churn and retention rates, the revenue they cost, and the average customer lifetime they imply.
Churn rate
2.5%
Retention rate
97.5%
Average lifetime
40
Yearly revenue lost
CHF 2,400.00
Calculated instantly in your browser · no data sent
How it works
- 1Count customers at the start of the period.
- 2Count those who left during it, not those who paused.
- 3Add the monthly revenue each one brought.
Who it's for
- •Watching retention month over month
- •Estimating customer lifetime
- •Justifying a customer success effort
Pro tips
- Two signals read together beat one: silence AND a late payment. A late payment alone is often an accounts department.
- Writing to a loyal customer as though they were leaving is how you suggest it to them.
Related tools
Customer lifetime value calculator
What a customer is worth over the whole relationship, at margin not revenue.
LTV to CAC ratio calculator
Whether what a customer is worth over their lifetime justifies what they cost to win, and what the ratio says about spending more or less.
Price increase calculator
What a price rise earns once you account for the customers it costs you.
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