Tools · Retention
NRR, with the cohort boundary visible.
A growth waterfall planner for net revenue retention, gross revenue retention, and the SaaS Quick Ratio. It decouples existing cohort compounding from new logo acquisition to reveal whether your business grows organically or operates on an expensive acquisition treadmill.
Net Revenue Retention & Growth Waterfall
Model the dynamics of existing customer cohorts against new acquisition. Calculate NRR, GRR, and the SaaS Quick Ratio to diagnose whether growth compounds organically or runs on an expensive acquisition treadmill.
Scenario Presets
€
€
Existing Cohort Dynamics
+ €
- €
- €
Results & Cohort Diagnosis
Net Revenue Retention (NRR)
112.0%
Healthy Expansion
Gross Revenue Retention (GRR)
92.0%
Capped at 100% (excl. expansion) SaaS Quick Ratio
5.6x
(New + Exp) / (Contr + Churn) Net New ARR (Delta)
+€3,700,000
Total annual expansion in € Ending ARR (Post 12M)
€13,700,000
+37.0% YoY ARR Waterfall Decomposition
Strategic Boundary
What this instrument is built on
The operating logic is grounded in empirical cohort analysis and capital efficiency literature:
- Gupta, Lehmann and Stuart (2004): Customer valuation, retention dynamics, and discounting models.
- Fader and Hardie (2005): Probability models for customer base analysis and contractual attrition.
- Malthouse and Blattberg (2005): Forecast horizons and misclassification risk in lifetime value.
- Mamoon Hamid (Social Capital, 2015): The SaaS Quick Ratio framework for recurring revenue durability.
Related journal routes & concepts
This calculator is an active workbench object. These articles and concepts detail the underlying mathematical proofs: