Monthly Recurring Revenue (MRR) represents the normalized monthly income a subscription-based business generates from its customers, providing a standardized metric to track predictable revenue streams. This figure excludes one-time fees, variable charges, and professional services, focusing exclusively on the recurring subscription value that renews each month.
Investors calculate MRR by summing all active recurring subscription revenues in a given month. For annual contracts, the total contract value is divided by 12 to determine the monthly equivalent. A company with 100 customers paying $50 per month and 20 customers on annual $1,200 contracts has an MRR of $7,000 ($5,000 from monthly subscribers plus $2,000 from annualized contracts).
Why It Matters
MRR serves as the foundational metric for evaluating SaaS and subscription businesses, enabling investors to assess growth velocity, revenue quality, and business health with precision. Unlike traditional revenue recognition, which can fluctuate based on payment timing and billing cycles, MRR provides a consistent baseline for month-over-month comparisons. Investors use MRR to calculate critical metrics like customer acquisition cost payback periods, growth rates, and company valuations, with high-growth SaaS companies often valued at 10-20x their ARR (Annual Recurring Revenue, or MRR × 12).
Example
Consider a project management software company that starts January with $100,000 in MRR. During the month, they add $15,000 in new MRR from fresh customers, lose $5,000 from cancellations (churn), and gain $3,000 from existing customers upgrading their plans (expansion). The company ends January with $113,000 in MRR, representing 13% month-over-month growth. An investor examining this business would see strong net revenue retention (expansion minus churn equals negative $2,000 net churn, or 2% churn rate), indicating healthy unit economics. If this growth rate continues, the company would more than double its revenue within six months, making it an attractive investment candidate for growth-focused venture capital firms.
Related Terms
Customer Acquisition Cost, Churn Rate, Annual Recurring Revenue