- Yug Jain
Understanding Net Dollar Retention, ARR Churn, and Revenue Churn in the SaaS Industry
As a business in the SaaS (Software as a Service) industry, it's essential to understand the metrics that measure the health and growth of your business. Two key metrics in this regard are Net Dollar Retention and churn rates.

Net Dollar Retention measures the amount of revenue a business retains from its existing customer base over a given time period. It is calculated by dividing the current period's recurring revenue by the previous period's recurring revenue, minus any upgrades or downgrades. For example, if a business had $100,000 in recurring revenue in the previous period and $110,000 in the current period, its Net Dollar Retention would be 1.1.
ARR Churn, or Annual Recurring Revenue Churn, measures the percentage of a business's ARR that is lost due to cancellations or churn. It is calculated by dividing the amount of ARR lost due to churn by the total ARR at the beginning of the period. For example, if a business had $1,000,000 in ARR at the beginning of the period and lost $50,000 due to churn, its ARR Churn would be 5%.
Revenue Churn measures the percentage of a business's revenue that is lost due to cancellations or churn. It is calculated by dividing the amount of revenue lost due to churn by the total revenue at the beginning of the period. For example, if a business had $1,000,000 in revenue at the beginning of the period and lost $50,000 due to churn, its Revenue Churn would be 5%.
Net Dollar Retention and churn rates are important metrics for SaaS businesses because they provide insight into the health and growth of the business. High Net Dollar Retention indicates that the business is retaining a significant amount of revenue from its existing customer base, while low Net Dollar Retention may signal a need for improvements in customer retention strategies.
Similarly, low ARR Churn and Revenue Churn rates indicate that the business is retaining a significant amount of its ARR and revenue, respectively. High ARR Churn and Revenue Churn rates, on the other hand, may signal a need for improvements in customer retention strategies.
It's important to note that Net Dollar Retention, ARR Churn, and Revenue Churn should not be viewed in isolation. Instead, they should be considered together to get a complete picture of the health and growth of a SaaS business.
For example, a business with a high Net Dollar Retention rate but a high ARR Churn rate may be retaining a significant amount of revenue from its existing customer base but losing a significant amount of ARR due to churn. This could indicate that the business is successful at retaining its existing customers but is struggling to attract new customers or retain newly acquired customers.
On the other hand, a business with a low Net Dollar Retention rate but a low ARR Churn rate may be struggling to retain its existing customers but is successful at attracting new customers and retaining newly acquired customers. This could indicate that the business needs to improve its customer retention strategies for its existing customer base.
In conclusion, Net Dollar Retention, ARR Churn, and Revenue Churn are essential metrics for SaaS businesses