Customer Retention Rate Calculator
Enter number of customers at the start and end of a period plus new customers acquired to calculate retention rate.
Simplified metric; complex businesses may need cohort analysis.
Examples
- Start 500, end 450, new 100 ⇒ 70.0%
- Start 800, end 760, new 50 ⇒ 88.75%
FAQ
Why subtract new customers?
To measure how many original customers stayed.
Can retention rate exceed 100%?
No; values above 100 indicate data errors.
What period should I use?
Any consistent timeframe such as a month or year.
Additional Information
- Retention rate highlights customer loyalty and business stability.
- Pair with churn rate for a complete view of customer dynamics.