Monthly Recurring Revenue

Monthly Recurring Revenue (MRR) is a metric that normalizes all recurring subscription revenue into a single, consistent monthly value. It provides a predictable measure of a company's financial health and growth trajectory, making it a foundational metric for most subscription-based businesses. The calculation specifically excludes one-time fees, such as setup charges, professional services, or variable usage fees, to focus purely on the predictable revenue stream.

An organization's total MRR changes from one month to the next based on customer activity. Tracking these changes provides deep insight into business momentum.

How MRR is Calculated and Segmented

The core calculation for MRR is the sum of all monthly fees paid by every active customer. For customers on longer-term contracts, their total contract value is divided by the number of months in the term. A customer on a $1,200 annual plan, for example, contributes $100 to MRR.

The change in total MRR over a period is typically broken down into four key components:

• New MRR: Revenue generated from new customers acquired during the period.
• Expansion MRR: Additional revenue from existing customers, typically through upselling to a higher tier, cross-selling new products, or adding more licenses.
• Contraction MRR: Revenue lost from existing customers who downgrade their subscriptions to a lower-priced plan.
• Churned MRR: Revenue lost from customers who cancel their subscriptions entirely, contributing to the overall churn rate.

Why MRR is a Core Business Metric

MRR is critical for strategic financial planning and performance evaluation. Because it represents a predictable revenue stream, it serves as the foundation for building reliable sales forecasts, setting budgets, and modeling future growth. By analyzing the different components of MRR, leadership can diagnose the health of the business: strong expansion MRR validates a land-and-expand strategy, while high churn indicates potential issues with the product or customer satisfaction.

For companies focused on annual contracts, Annual Recurring Revenue (ARR) is the preferred equivalent metric. Both MRR and ARR are primary indicators of performance for investors and boards, and they are key inputs for calculating other important SaaS metrics like Net Revenue Retention and LTV:CAC ratio.