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 data-driven decisions for your software business.

    SaaS Metrics Quick Reference

    MetricFormulaGood Benchmark
    LTV:CAC RatioCustomer Lifetime Value ÷ Customer Acquisition Cost3:1 or higher
    Monthly ChurnLost Customers ÷ Starting Customers × 100<5% (B2B), <7% (B2C)
    CAC PaybackCAC ÷ (ARPU × Gross Margin)<12 months
    Net Revenue Retention(MRR + Expansion - Contraction - Churn) ÷ Starting MRR>100%
    Rule of 40Growth Rate + Profit Margin>40%

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