finance-metrics-quickref
Purpose
Quick reference for any SaaS finance metric without deep teaching. Use this when you need a fast formula lookup, benchmark check, or decision framework reminder. For detailed explanations, calculations, and examples, see the related deep-dive skills.
This is not a teaching tool—it's a cheat sheet optimized for speed. Scan, find, apply.
Key Concepts
Metric Categories
Metrics are organized into four families:
- Revenue & Growth — Top-line money (revenue, ARPU, ARPA, MRR/ARR, churn, NRR, expansion)
- Unit Economics — Customer-level profitability (CAC, LTV, payback, margins)
- Capital Efficiency — Cash management (burn rate, runway, OpEx, net income)
- Efficiency Ratios — Growth vs. profitability balance (Rule of 40, magic number)
When to Use This Skill
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