Metrics
CAC Payback
Quick definition
Number of months to recover CAC from gross profit.
CAC Payback = CAC / (MRR × Gross Margin). Measured in months. Best-in-class SaaS is under 12 months; under 18 is healthy; over 24 is a red flag.
Frequently asked questions
- What is CAC Payback?
- CAC Payback = CAC / (MRR × Gross Margin). Measured in months. Best-in-class SaaS is under 12 months; under 18 is healthy; over 24 is a red flag.
- Why is CAC Payback important for startups?
- CAC Payback is a metrics concept that matters for startup founders because it shows up in fundraising readiness, financial decision-making, and operational discipline at the stage where mistakes are expensive to undo. Founders who understand it are better prepared for diligence, board meetings, and investor conversations.
- What category does CAC Payback belong to?
- CAC Payback is a Metrics term in the StartupCFO finance glossary, alongside other metrics concepts that founders, CFOs, and accountants use in startup operations and reporting.
- Where can I learn more about CAC Payback?
- Beyond this definition, see the related metrics terms below, or explore StartupCFO's insights and tools that put CAC Payback in context. For specific situations, talk to a fractional CFO who can walk through your numbers.
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