Retention Analytics tool
Churn Rate Calculator
Calculate customer churn accurately, find where you’re losing people, and see what it’s doing to your recurring revenue.
Formula
(Customers Lost ÷ Customers at the Start of the Period) × 100
Calculate your customer churn rate using a simple formula trusted by SaaS teams to monitor retention and identify growth opportunities.
Churn Rate Calculator
Calculate live churn to monitor customer retention health.
What is a Churn Rate Calculator?
A churn rate calculator measures the percentage of customers who leave your product over a set period. This number helps SaaS teams strengthen retention, sharpen their customer success efforts, and grow recurring revenue.
Customer Base
How many customers did you lose?
Count the customers who leave in a set period. It is the starting point for measuring churn and seeing how well you keep the customers you have.
Churn Percentage
What is your churn rate?
Your lost customers are measured against the number you started with. A lower percentage means people are staying, a sign of a healthier product.
Customer Health
Is your retention improving?
Track your churn month over month to see whether retention is getting better or worse. A single month is a snapshot; the trend over time is the real story.
Revenue Impact
How much revenue is at risk?
Churn isn’t just about how many customers leave; it’s about the revenue that goes with them. A single large account can outweigh many small ones.
From churn to retention
Turn churn insights into customer growth
Product Bridge collects customer feedback from Intercom, Slack, email, reviews, and more, then deduplicates requests so your team can score the right roadmap ideas with confidence.
How to use churn analysis for customer retention
Enter your starting customer count and the number you lost, and the calculator gives you your churn rate for that period. Run it every month so you can build a trend line.
Then act on what it shows. Break the number down by plan, signup date, or customer type to see where the churn is worst, cross-check those drop-offs against customer feedback, and fix the issues that come up most. Re-run the calculator each month to confirm the changes are working.
Frequently Asked Questions
Answers to common questions about calculating customer churn, improving retention, and measuring long-term business growth.
How do I calculate churn?
Divide the customers who left during a period by how many you had at the start, then multiply by 100. The same method works for revenue if you use recurring dollars lost instead of customer counts.
What is a good churn rate?
A healthy churn rate depends on your industry and business model, but lower churn generally indicates stronger customer retention and long-term growth.
What does a 20% churn rate mean?
It means one in five customers is left over the period you measured. For most subscription businesses, that’s a serious warning sign, pointing to a deeper problem like poor product fit or weak onboarding rather than normal customer movement.
What causes high churn?
High churn is usually caused by weak onboarding, ignored customer feedback, poor product-market fit, and failed payments from expired cards. Most of these signals before a customer cancels, often showing falling usage or unanswered support tickets.
Is churn rate the same as retention rate?
No, they describe the same customer base from opposite ends, so together they total 100%. One highlights the customers you’re keeping; the other ones are slipping away. Teams usually monitor both side by side.
What is the difference between customer churn and revenue churn?
Customer churn is the number of customers you lose. Revenue churn is the amount of money you lose. They can look very different: losing a few small customers barely affects revenue, but losing a big customer can cost a lot.
How is monthly churn annualized?
Monthly churn is annualized by compounding it across all 12 months. Because your customer base shrinks a little each month, the yearly figure works out lower than you expect.
How can I reduce customer churn?
Analyze customer feedback, improve onboarding, prioritize high-impact product improvements, deliver proactive customer support, and continuously monitor retention metrics.