Churn Rate Calculator
Calculate your customer or subscriber churn rate percentage over a given period.
Churn Rate Calculator
Retention & Loyalty Tool
Churn% = Lost Customers / Starting Customers × 100 Business Note: A good monthly churn rate is under 2%. Annual churn under 5–7% is considered healthy for SaaS.
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How to Calculate
Churn Rate% = (Customers Lost ÷ Customers at Start) × 100
Customer Churn Rate % = (Customers Lost during Period ÷ Customers at Start of Period) × 100. Revenue Churn Rate % = (Net MRR Lost ÷ Starting MRR) × 100.
* Example: 500 customers start, 25 lost → 5% churn
Step-by-Step Manual Calculation Guide
Step 1: Subtract ending active customer count from starting customer count (excluding new signups) to identify lost customers.
Step 2: Divide lost customers by starting customer count.
Step 3: Multiply by 100 to state period churn rate percentage.
Real-World Industry Applications
SaaS Subscription Business
Calculating 2.5% monthly churn when losing 25 subscribers from a 1,000 starting subscriber base.
Telecom Service Provider
Monitoring quarterly customer cancellation metrics to optimize retention programs.
Membership Club Retention
Evaluating annual renewal churn rates across gym memberships.
Churn Rate Calculator Worked Examples
How it Works
The Churn Rate Calculator computes customer attrition or subscriber loss percentage over a specific billing cycle or time period.
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Frequently Asked Questions
How do I calculate customer churn rate?
Divide customers lost during a period by starting customers and multiply by 100. Example: 50 lost / 1,000 starting = 0.05 × 100 = 5% churn rate.
What is a good monthly churn rate for a SaaS business?
For B2B SaaS, an acceptable monthly churn rate is 1% to 2%. For B2C SaaS, 3% to 5% monthly churn is standard.
What is negative revenue churn?
Negative revenue churn occurs when expansion revenue (upsells/cross-sells) from existing customers exceeds lost revenue from canceled accounts.
How does churn rate affect Customer Lifetime Value (LTV)?
Lower churn rates directly extend average customer lifespan, significantly increasing total LTV revenue per customer.
How do I convert monthly churn into annual churn?
Annual Churn % = 1 − (1 − Monthly Churn %)^12. A 2% monthly churn rate equals ~21.5% annual churn.