SaaS Metrics

# SaaS Metrics

Comprehensive SaaS metrics analysis covering MRR, ARR, Churn, LTV, CAC, cohort analysis, and investor reporting. Essential for SaaS founders, finance teams, and investors.

## Overview

This skill enables:
- Revenue metrics calculation (MRR, ARR, NRR)
- Churn and retention analysis
- Unit economics (LTV, CAC, LTV:CAC)
- Cohort analysis and forecasting
- Investor-ready reporting

---

## Core Metrics Framework

### 1. Revenue Metrics

```
┌─────────────────────────────────────────────────────────────┐
│                    MRR WATERFALL                             │
├─────────────────────────────────────────────────────────────┤
│                                                             │
│  Starting MRR                          $100,000             │
│  + New MRR (new customers)              +$15,000            │
│  + Expansion MRR (upgrades)             +$8,000             │
│  + Reactivation MRR                     +$2,000             │
│  - Contraction MRR (downgrades)         -$3,000             │
│  - Churn MRR (cancellations)            -$7,000             │
│  ─────────────────────────────────────────────              │
│  = Ending MRR                          $115,000             │
│                                                             │
│  Net New MRR = $15,000                                      │
│  MRR Growth Rate = 15%                                      │
│                                                             │
└─────────────────────────────────────────────────────────────┘
```

**Calculations**:
```yaml
mrr_metrics:
  # Monthly Recurring Revenue
  MRR: sum(all_active_subscriptions.monthly_value)
  
  # Annual Recurring Revenue
  ARR: MRR × 12
  
  # MRR Components
  new_mrr: sum(new_subscriptions_this_month)