Topic
SaaS Metrics
MRR, ARR, NRR, CAC, LTV, payback — definitions, benchmarks, and what each metric actually predicts.
The complete guide
The SaaS Metrics Glossary: MRR, ARR, NRR, CAC, LTV, Payback (2026)
Every core SaaS metric defined with its formula, healthy benchmarks by stage, and what each number actually predicts. The reference sheet for founders, operators, and investors.
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Deep dives
How to Calculate SaaS CAC Payback Period
Calculate SaaS CAC payback period with a worked example covering acquisition costs, gross margin, sales-cycle timing and customer segments.
How to Calculate ARR With Services and Usage Fees
Separate subscriptions, services and usage fees to calculate ARR, handle discounts and minimum commitments, and document uncertain usage revenue.
How to Calculate SaaS Cohort Retention
Calculate SaaS cohort retention with fixed denominators, clear retention rules and a worked example covering incomplete periods and reactivated customers.
Net Revenue Retention (NRR) Explained for B2B SaaS
Learn the net revenue retention formula, follow an illustrative calculation, compare NRR with GRR, and identify what changes recurring revenue.
Choosing a North Star Metric for a B2B Product
How to choose a North Star metric for a B2B product — what makes a good one, why B2B makes it harder, a step-by-step selection method, illustrative examples, and the mistakes that turn it into a vanity number.