Calculate the percentage of existing customers retained over time.
Input Panel
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Results Panel
Primary Result—
Secondary Result—
Total / Final Value—
Growth / Percentage—
| Step | Label | Value |
|---|
What this result means
The result shows how many revenue units you generated for every currency unit spent on ads.
When to use this calculator
Use it for Google Ads, Meta Ads, YouTube, affiliates, or influencer campaigns.
Why it is useful
It helps identify which campaigns deserve more budget.
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.