What counts as MRR?
MRR should include recurring subscription revenue only. Exclude setup fees, one-time services, and non-recurring implementation revenue.
SaaS MRR calculator
Model ending MRR and ARR run rate.
Combine new customers, ARPA, expansion, churn, and downgrades to see net new MRR and growth rate.
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Why separate expansion and downgrades?
Separating expansion, churn, and downgrades helps you see whether growth comes from new sales or existing account expansion.