Churn Impact Calculator

MRR: $50,000, Churn: 5%, No new growth Month 3: $42,869 Month 6: $36,768 Month 12: $27,018 Total lost: $215,786

Churn impact refers to the cumulative financial loss a business experiences due to customer attrition over time. In subscription based models, particularly SaaS, a consistent monthly churn rate, even a seemingly small one, can significantly erode recurring revenue streams.\n\nThe challenge lies in the compounding nature of churn. Each month, a percentage of your existing monthly recurring revenue (MRR) is lost, meaning you start the next month with a smaller base before adding new sales. For example, a 5% monthly churn rate can result in losing approximately 46% of your revenue over a year, assuming no new customers are acquired.\n\nThis erosion directly affects your annual recurring revenue (ARR) and overall business valuation. Understanding churn impact is crucial because it highlights the direct correlation between customer retention and sustained financial health. Many businesses focus heavily on customer acquisition, yet fail to fully grasp how much revenue they are bleeding from the bottom, making growth much harder to achieve sustainably.