How this calculator works
Retention = (Ending customers − New customers) ÷ Starting customers × 100. Use values from a consistent period and currency, then review the breakdown and limitation notice before making a decision.
Frequently asked questions
- What does Customer Retention Rate Calculator measure?
- It calculates Customer retention rate from the values shown in the form.
- Which values should I enter?
- Use figures from the same reporting period and the same currency for monetary amounts.
- Is the result exact?
- It is a mathematical estimate based on your inputs and may exclude relevant costs or assumptions.
- Are my figures stored?
- No. Calculations run locally in your browser and are not uploaded to our servers.
- How should I interpret the result?
- Review the calculation breakdown, formula substitution, related metrics, and limitation notice together.
- Can I use decimal values?
- Yes. Decimal inputs are supported and results use localized rounding for display.