Customer retention rate
Business / FREE CALCULATOR
Estimate the share of starting customers retained by period end.
Your answer starts here.
Enter your values and select Calculate to see the result and any available breakdown.
How to use this calculator
- Enter customers at period end. Use the unit shown beside the field.
- Enter new customers during period. Use the unit shown beside the field.
- Enter customers at start. Use the unit shown beside the field.
- Select Calculate and review the result. Select Reset to restore the example inputs.
How the calculation works
(Customers at period end-New customers during period)/Customers at start*100
Worked example
Customers at period end = 1100; New customers during period = 200; Customers at start = 1000. Result: 90 %.
Understand your result
Estimate the share of starting customers retained by period end. The result is expressed in %.
Assumptions and limitations
Assumes consistent definitions and no duplicated customers. Results are rounded for display.
Questions about this tool
What does this tool calculate?
Estimate the share of starting customers retained by period end.
What should I check before using the answer?
Assumes consistent definitions and no duplicated customers.
Related guides
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