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Churn Rate Calculator

Calculate customer churn rate, revenue churn (MRR), and average customer lifetime from churn data.

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Read our complete guide to the Churn Rate Calculator — with real-world examples, expert insights, and pro tips.

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Learn How It Works

What is Churn Rate?

Churn Rate is the percentage of customers who stop using your product or service during a given period. It is one of the most critical metrics for subscription businesses because it directly impacts revenue growth and customer lifetime value.

Customer Churn Formula

Monthly Churn Rate = (Customers Lost ÷ Customers at Start) × 100

For example, if you start the month with 1,000 customers and lose 50: Monthly Churn = 50 ÷ 1,000 × 100 = 5% churn rate.

Customer Churn vs Revenue Churn (MRR Churn)

👤 Customer Churn

Measures the percentage of customers lost. Formula: (Customers Lost ÷ Start Customers) × 100. Tracks user retention.

💵 Revenue Churn (MRR Churn)

Measures the percentage of recurring revenue lost to churn. Formula: (MRR Lost ÷ Start MRR) × 100. Tracks revenue impact.

Revenue churn can differ significantly from customer churn. For example, losing 10 enterprise customers ($5K MRR each) = 10% customer churn but 50% revenue churn if all other customers pay $500/month. Always track both metrics.

Churn Rate Benchmarks by Industry

IndustryMonthly ChurnAnnual ChurnAvg. Customer Lifetime
SaaS (SMB)3-5%31-46%20-33 months
SaaS (Enterprise)1-2%11-22%50-100 months
E-commerce (Subscription)5-10%46-72%10-20 months
Media / Content5-15%46-86%6-20 months

How to Calculate Customer Lifetime from Churn

Average Customer Lifetime = 1 ÷ Monthly Churn Rate

For a 5% monthly churn rate: Average Lifetime = 1 ÷ 0.05 = 20 months. This means the average customer stays for 20 months before churning.

Strategies to Reduce Churn

  1. Improve onboarding: Users who reach the "aha moment" in their first week are 3-5x less likely to churn.
  2. Track engagement signals: Monitor login frequency, feature usage, and support tickets to identify at-risk customers early.
  3. Implement win-back campaigns: Automated re-engagement emails can recover 5-10% of churned customers.
  4. Offer annual plans: Customers on annual plans churn 2-3x less than monthly subscribers.
  5. Provide proactive support: Reach out to struggling users before they cancel — a quick help session can save the relationship.

Frequently Asked Questions

How do I calculate churn rate?

Churn Rate = (Customers Lost ÷ Total Customers at Start) × 100. For example, losing 50 out of 1,000 customers = 5% monthly churn rate.

What is a good churn rate?

For SaaS, monthly churn under 3% is good. Under 5% is manageable. Above 5% indicates retention issues. Annualized churn of 5-7% is typical for enterprise SaaS.

How do I calculate average customer lifetime from churn?

Average Customer Lifetime = 1 ÷ Monthly Churn Rate. For a 5% monthly churn rate, average lifetime = 1 ÷ 0.05 = 20 months.

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Reviewed by Alex Chen, MBA

Digital Marketing Strategist

Performance marketing expert with 8+ years managing multi-million dollar ad budgets.

MBAGoogle Ads Certified Professional
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