SaaS Metrics Calculator

Calculate MRR breakdown, ARR, net revenue retention, SaaS quick ratio, and magic number — the metrics investors and operators care about.

The metrics that separate thriving SaaS businesses from struggling ones are well defined — and most founders do not track them. This dashboard calculates your MRR waterfall, net revenue retention, SaaS quick ratio, and magic number in one place.

Monthly Revenue Components

Beginning MRR ($)

MRR at the start of the month

New MRR ($)

Revenue from brand-new customers

Expansion MRR ($)

Upsells, upgrades from existing customers

Reactivation MRR ($)

Churned customers who came back

Contraction MRR ($)

Downgrades from existing customers

Churned MRR ($)

Revenue lost from canceled customers

Growth Context (Optional)

Sales & Marketing Spend ($)

This month's total S&M spend

Previous Quarter's S&M Spend ($)

For magic number calculation