SaaS Metrics: The Complete Guide

    Master the key metrics that drive SaaS success. Learn to measure MRR, CAC, LTV, churn, and unit economics to make decisions for your software business.

    SaaS Metrics Quick Reference

    Metric Formula Good Benchmark
    LTV:CAC Ratio Customer Lifetime Value ÷ Customer Acquisition Cost 3:1 or higher
    Monthly Churn Lost Customers ÷ Starting Customers × 100 <5% (B2B), <7% (B2C)
    CAC Payback CAC ÷ (ARPU × Gross Margin) <12 months
    Net Revenue Retention (MRR + Expansion - Contraction - Churn) ÷ Starting MRR >100%
    Rule of 40 Growth Rate + Profit Margin >40%

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