Calculate the percentage of existing customers retained over time.
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Secondary Result—
Total / Final Value—
Growth / Percentage—
| Step | Label | Value |
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What this result means
This result shows the average spend required to win each paying customer.
When to use this calculator
Use it with paid ads, outbound sales, or blended acquisition programs.
Why it is useful
It helps control growth costs and compare customer channels.
About this calculator
This result shows how well your business keeps existing customers.
When to use it
Use it alongside churn and CLV analysis.
Why it matters
It helps show customer loyalty and product-market fit.