Monthly Recurring Revenue (MRR)
Monthly Recurring Revenue is the least specific of the family of SaaS recurring revenue metrics. Depending on the context, monthly recurring revenue could simply be either Contracted Monthly Recurring Revenue or Committed Monthly Recurring Revenue. The general concept is that Monthly Recurring Revenue is a measure of the predicable and recurring revenue components of your subscription business. It will typically exclude one-time and variable fees, but for month-to-month businesses could include such items.