SaaS MRR Calculator

Monthly recurring revenue metrics and growth tracking

What is this? MRR is the lifeblood of SaaS businesses. This calculator decomposes MRR movement into its components: new MRR, expansion (upgrades), contraction (downgrades), and churned MRR. It also projects your MRR trajectory over 12 months.

Key SaaS metrics: Net New MRR = New + Expansion - Churn - Contraction. A healthy SaaS business typically has Net New MRR equal to 7-15% of existing MRR per month.

Who it's for: SaaS founders, product managers, and investors tracking subscription business health.
Current MRR Snapshot
MRR Movement
New MRR
Expansion
Net New MRR
Churned MRR
Contraction
Ending MRR
ARR
annual run rate
Growth Rate
net new / starting
Net Revenue Retention
expansion - churn
12-Month Projection

Projections assume consistent growth and churn rates. Actual SaaS metrics vary significantly by business model and stage.

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