majiayu000 When to Use This Skill
Use this skill when you need to:
- Run monthly business health checks to track progress
- Benchmark metrics against relevant peer ranges for your segment
- Diagnose growth problems (stuck at plateau, high churn, poor unit economics)
- Calculate missing metrics from partial data
- Identify red flags requiring immediate attention
- Get actionable recommendations for metric improvement
- Prepare for fundraising or acquisition (know your numbers)
Core Concepts
The 5 Metric Categories
- Revenue Health (25% weight): MRR, ARR, ARPU
- Unit Economics (25% weight): LTV, CAC, LTV:CAC, payback period
- Retention Health (25% weight): Monthly/annual churn, NRR
- Efficiency (15% weight): Gross margin, profit margin
- Growth (10% weight): MoM growth, viral coefficient
Quick Health Assessment
| Score | Rating | Interpretation |
|---|---|---|
| 90-100 | Excellent | Best-in-class across most metrics |
| 70-89 | Healthy | Solid business, room for optimization |
| 50-69 | Warning | Some red flags, needs attention |
| <50 | Critical | Major issues, immediate action required |
Step-by-Step Analysis Process
Step 1: Gather Your Metrics
Collect any of these you have available:
- Monthly Recurring Revenue (MRR)
- Customer count
- Monthly churn rate
- Customer Acquisition Cost (CAC)
- Average Revenue Per User (ARPU)
- Gross margin percentage
Step 2: Calculate Missing Metrics
ARPU (if you have MRR and customers):
ARPU = MRR ÷ Total customers
LTV (if you have ARPU, margin, churn):
LTV = (ARPU × Gross Margin %) ÷ Monthly churn rate
LTV:CAC (if you have LTV and CAC):
LTV:CAC = LTV ÷ CAC
CAC Payback (if you have CAC, ARPU, margin):
Payback = CAC ÷ (ARPU × Gross Margin %)
Annual churn (if you have monthly; use monthly churn as decimal):
Annual = (1 - (1 - Monthly)^12) × 100
Step 3: Benchmark Against Peer Ranges
Use the benchmark ranges below as directional guidance, not universal truth. Segment (SMB vs enterprise), price point, geography, and channel mix all matter.
Step 4: Identify Red Flags and Strengths
Flag metrics outside healthy ranges and highlight areas of strength.
Step 5: Generate Recommendations
Prioritize actions by impact: churn → pricing → acquisition → operations.
Metric Deep Dives
Revenue Metrics
Monthly Recurring Revenue (MRR)
What it measures: Predictable monthly revenue from subscriptions
Benchmarks (directional for subscription SaaS):
| Stage | MRR Range | Timeline |
|---|---|---|
| Early stage | $1K-$3K | 0-6 months |
| Growth stage | $3K-$15K | 6-18 months |
| Sustainable | $10K+ | 18+ months |
| Top performers | $30K-$100K+ | Varies |
Red flags:
- ❌ Below $1K MRR after 6 months (possible PMF or distribution issues)
- ❌ Stuck at $3K-$5K for 3+ months (growth plateau)
- ❌ Declining for 2+ consecutive months
Strengths:
- ✅ Reaching $10K MRR in <18 months
- ✅ Consistent month-over-month growth
Average Revenue Per User (ARPU)
What it measures: Average monthly revenue per customer
Benchmarks (segment-sensitive):
| Range | Assessment |
|---|---|
| <$30/month | Low-ticket model; requires strong volume/efficiency |
| $30-$300/month | Common SMB SaaS pricing band |
| $300+/month | Higher-ACV model (often more sales/support) |
Red flags:
- ❌ ARPU low relative to CAC and support burden
- ❌ ARPU declining over time
Improvement levers:
- Introduce tiered packaging and pricing
- Add annual payment discounts
- Implement usage-based pricing
- Raise prices on new customers first
Related skill: pricing-strategy-designer
Unit Economics
Customer Acquisition Cost (CAC)
What it measures: Cost to acquire one new customer
Benchmarks (highly channel-dependent):
| CAC Range | Assessment |
|---|---|
| <$200 | Efficient for many SMB/self-serve |
| $200-$500 | Common in mixed inbound/outbound models |
| $500-$1,000 | Requires stronger payback economics |
| >$1,000 | Often risky without high ACV/margins |
Formula:
CAC = (Sales + Marketing costs) ÷ New customers acquired
Red flags:
- ❌ CAC rising while ARPU and retention are flat
- ❌ CAC rising over time
- ❌ CAC > LTV × 0.33
Improvement levers:
- Focus on community-led growth
- Implement product-led growth
- Optimize onboarding conversion
- Build SEO/content for organic traffic
Customer Lifetime Value (LTV)
What it measures: Total revenue from average customer
Formula:
LTV = (ARPU × Gross Margin %) ÷ Monthly churn rate
Benchmarks (LTV:CAC ratio, directional):
| Ratio | Assessment |
|---|---|
| <1:1 | Unsustainable |
| 1:1-3:1 | Needs improvement for most SaaS models |
| 3:1-5:1 | Common target range |
| >5:1 | Strong economics (or possible under-investing) |
Red flags:
- ❌ LTV:CAC persistently below ~3:1
- ❌ LTV <$500
- ❌ LTV declining over time
Improvement levers:
- Reduce churn (biggest lever)
- Increase ARPU through pricing
- Improve onboarding
- Add expansion revenue
CAC Payback Period
What it measures: Months to recover acquisition cost
Benchmarks (stage-dependent):
| Months | Assessment |
|---|---|
| <6 | Very efficient |
| 6-12 | Healthy for many self-serve products |
| 12-18 | Often acceptable for sales-assisted SaaS |
| >18 | Usually a warning sign (unless very high ACV) |
Retention Metrics
Monthly Churn Rate
What it measures: Percentage of customers canceling each month
Benchmarks (segment-sensitive):
| Rate | Assessment |
|---|---|
| <2% | Strong for many B2B SaaS |
| 2-5% | Common SMB range |
| >5% | Warning zone |
Formula:
Monthly Churn = (Customers lost ÷ Total customers) × 100
Red flags:
- ❌ Monthly churn >5%
- ❌ Churn increasing over time
- ❌ Early customers churning fast
Improvement tactics:
- Improve onboarding and shorten time-to-value
- Implement customer success
- Build in-product stickiness
- Exit surveys to identify causes
Related skill: customer-retention-optimizer
Net Revenue Retention (NRR)
What it measures: Revenue retention including expansion
Formula:
NRR = ((Starting MRR + Expansion - Churn - Downgrades) ÷ Starting MRR) × 100
Benchmarks (directional):
| NRR | Assessment |
|---|---|
| <90% | Significant contraction |
| 90-100% | Net contraction |
| 100-110% | Healthy to strong |
| 110-120% | Excellent |
| 120%+ | Exceptional (often enterprise) |
Red flags:
- ❌ NRR <100%
- ❌ NRR declining
Improvement tactics:
- Implement expansion strategies
- Use tiered pricing to encourage upgrades
- Build usage-based pricing
- Proactive customer success
For efficiency metrics (gross/profit margin), growth metrics (MoM, K-factor), and a sample analysis walkthrough, see references/metric-benchmarks.md.
Common Mistakes
Mistake 1: Ignoring Churn
- Problem: Churn compounds - 5% monthly = 46% annually
- Solution: Measure weekly, then improve onboarding, fit, and lifecycle engagement before pushing harder on acquisition
Mistake 2: Vanity Metrics
- Problem: Tracking signups instead of revenue metrics
- Solution: Focus on MRR, churn, LTV:CAC
Mistake 3: Outdated Benchmarks
- Problem: Using generic benchmarks without segment context
- Solution: Compare against peers by model, stage, and ACV; many teams use 3:1-5:1 as a working LTV:CAC band
Mistake 4: Measuring Infrequently
- Problem: Quarterly reviews miss trends
- Solution: Weekly metrics review, monthly deep analysis
Next Steps
After running your metrics checkup:
- Address red flags first - Focus on critical metrics
- Use related skills - Deep-dive into problem areas
- Track monthly - Re-run this analysis every month
- Celebrate strengths - Don't fix what isn't broken
Recommended skills by problem area:
- Churn issues →
customer-retention-optimizer - Pricing issues →
pricing-strategy-designer - Acquisition issues →
community-growth-specialist - Operations issues →
solo-operations-manager