SaaS
Churn Rate Calculator
Calculate customer churn rate — the percentage of customers who cancel or stop using your service in a given period.
Cancellations or non-renewals
Paying customers at period start
Your Churn Rate
Churn Rate
5.00%
5.00% of customers churned this period.
(15 ÷ 300) × 100
Customers Retained
285 of 300
Avg Customer Lifetime
20.0 periods
Assessment
High — focus on retention
Formula
Churn Rate = (Lost Customers ÷ Starting Customers) × 100
Lost CustomersCustomers who cancelled in the period
Starting CustomersCustomers at period start
Example Calculation
Started with 300 customers, lost 15.
Churn Rate = (15 ÷ 300) × 100 = 5.00%
Churn Rate Benchmarks
< 2% monthlyBest-in-class enterprise SaaS
2% – 5%Healthy SMB SaaS range
> 10%Critical retention issue
Common Mistakes
- ✕Confusing monthly and annual churn.
- ✕Not distinguishing logo vs revenue churn.
- ✕Using ending count instead of starting count.
Frequently Asked Questions
Negative churn (net revenue retention above 100%) occurs when expansion revenue from existing customers exceeds revenue lost from churn and downgrades. It is a hallmark of strong SaaS businesses.
Disclaimer: Results produced by this calculator are estimates for informational purposes only and do not constitute financial, business, or professional advice. Actual results will vary based on your specific business conditions, market factors, and other variables. Always consult qualified professionals before making business decisions.