Core Metrics & KPIs

Churn Rate

The percentage of customers who stop purchasing over a given period.

1 min readLast updated Apr 2026
Reviewed by Golden Digital·Operator-reviewed ecommerce reference·Benchmark source: Golden Digital field data

The percentage of customers who stop purchasing over a given period.

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Why It Matters

Churn rate directly determines whether a business can grow. High churn means constantly running on a treadmill—acquiring new customers just to replace lost ones. For subscription businesses, the math is brutal: at 10% monthly churn, you lose 72% of customers within a year. Reducing churn is often the highest-ROI activity.

Benchmarks

Good Performance

5-7% monthly for subscriptions

Practical Example

Scenario

A subscription brand has 10,000 active subscribers and loses 600 in a month.

Calculation

Monthly Churn Rate = 600 / 10,000 = 6%

Result

6% monthly churn means ~52% of customers churn within a year. To grow 20%, they need to acquire ~7,200 new subscribers annually (5,200 to replace churn + 2,000 for growth).

Pro Tips

  • 1Separate voluntary churn (customer chose to leave) from involuntary churn (payment failed). They require different solutions.
  • 2Track cohort churn curves—most churn happens in months 1-3. If you survive month 3, retention improves dramatically.
  • 3Implement predictive churn models using engagement data. Intervene before customers decide to leave.
  • 4Analyze churn by acquisition source. Customers from aggressive promotions often churn faster than organic acquisitions.

Common Mistakes to Avoid

Using only monthly churn without calculating annual impact. 5% monthly = 46% annual churn (not 60% due to compounding).
Not distinguishing between gross churn (all cancellations) and net churn (cancellations minus reactivations).
Treating all churn as equal. Churning a $20/month customer matters less than churning a $200/month enterprise customer.

Frequently Asked Questions

Related Tools

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Related Terms

Customer Retention Rate
CRR

The percentage of customers who remain active over a specific time period.

Involuntary Churn

Subscription cancellations caused by failed payments rather than customer choice.

Customer Lifetime Value
LTV

The total revenue a business expects to earn from a single customer over the entire duration of their relationship.

Cohort Analysis

Analyzing groups of customers who share a common characteristic to understand behavior patterns.

Voluntary Churn

Intentional cancellations initiated by customers.

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