MRR Growth Tracker
Free MRR growth rate calculator for B2B SaaS — model new MRR, churn, and expansion revenue to see your 6-month trajectory and what's capping your growth.
Your current monthly recurring revenue from all active paying customers.
Revenue from brand new customers signed this month only.
Revenue from existing customers who upgraded, added seats, or expanded their plan this month. Enter 0 if none.
Revenue lost from customers who cancelled or downgraded this month. Enter 0 if none.
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MRR Growth: How to Model Your SaaS Revenue Trajectory
Monthly Recurring Revenue (MRR) growth is the most important leading indicator for B2B SMBs. Unlike bookings or pipeline, MRR reflects what is actually being billed and retained — making it the closest proxy to business health available from your existing customer base. Healthy MRR growth in 2026 combines new customer acquisition, expansion revenue from existing accounts, and net churn management.
The healthiest MRR growth models are driven by expansion MRR rather than purely new logo acquisition. A business that grows MRR 15% monthly through a mix of 60% new logos and 40% expansion has a far more defensible growth trajectory than one achieving the same rate through new logos alone, because expansion signals product stickiness, deep account penetration, and a natural ceiling on churn.
Net MRR — the combination of new MRR plus expansion minus churned MRR — is the single number that determines whether your SaaS business is compounding or stalling. Negative net MRR (where churned MRR exceeds new plus expansion) is a structural crisis that acquisition spend alone cannot fix. It must be resolved at the customer success and product level before scaling acquisition.
>10%
Healthy MoM MRR Growth Rate
>20%
Elite MoM MRR Growth Rate
<5%
Annual Churned MRR Target (of Total MRR)
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