Subscription Churn Calculator
Calculate your monthly subscriber churn rate and the resulting revenue lost from cancelled subscriptions.
Your results
Calculation breakdown
- Churn rate
- (Cancelled ÷ Starting subscribers) × 100
- Revenue lost
- Cancelled × Average subscription value
Worked example
A subscription business starting the month with 1,000 subscribers and losing 45 has a 4.5% churn rate, costing $1,125 in monthly revenue at a $25 average subscription value.
Assumptions
- This treats full cancellations only; downgrades can be tracked separately.
- Even small churn reductions compound significantly over time.
- Use alongside new subscriber growth to see net subscriber change.
How this calculator works
Enter your subscriber count at the start of the period, the number who cancelled and your average subscription value to see churn rate and lost monthly revenue. Use it to track retention alongside new subscriber growth.
Frequently asked questions
What's considered a good churn rate?
It varies by industry and price point, but lower is generally better — even small churn reductions compound significantly over time.
Does this include downgrades as churn?
This calculator treats full cancellations only; you can track downgrades separately as a form of revenue churn.
How does churn relate to customer lifetime value?
Lower churn generally means customers stay longer, directly increasing their lifetime value to your business.
Results are estimates only and are not financial, tax, legal or credit advice.