FCF vs SaaS LTV/CAC
FCF (Free Cash Flow) and SaaS LTV/CAC (Lifetime Value to Customer Acquisition Cost Ratio) both come up in business conversations and get confused. Here's the plain-English difference, side by side, so you can use each one with confidence.
The key difference: FCF refers to free cash flow, while SaaS LTV/CAC refers to lifetime value to customer acquisition cost ratio — they describe different things even when they show up in the same sentence.
FCF — Free Cash Flow
Cash generated from operations after capital expenditures. FCF is what a business can actually return to shareholders, pay down debt with, or reinvest — unlike accounting profit, you can't fake it.
SaaS LTV/CAC — Lifetime Value to Customer Acquisition Cost Ratio
The ratio of customer lifetime value to the cost of acquiring them. The single most-watched SaaS health metric.
Full SaaS LTV/CAC definition →
When to use FCF
Reach for "FCF" when the conversation is specifically about free cash flow. Cash generated from operations after capital expenditures. FCF is what a business can actually return to shareholders, pay down debt with, or reinvest — unlike accounting profit, you can't fake it.
When to use SaaS LTV/CAC
Reach for "SaaS LTV/CAC" when the conversation is specifically about lifetime value to customer acquisition cost ratio. The ratio of customer lifetime value to the cost of acquiring them. The single most-watched SaaS health metric.
FAQs
What is the difference between FCF and SaaS LTV/CAC?
FCF stands for Free Cash Flow — Cash generated from operations after capital expenditures. FCF is what a business can actually return to shareholders, pay down debt with, or reinvest — unlike accounting profit, you can't fake it. SaaS LTV/CAC stands for Lifetime Value to Customer Acquisition Cost Ratio — The ratio of customer lifetime value to the cost of acquiring them. The single most-watched SaaS health metric.
Are FCF and SaaS LTV/CAC the same thing?
No. They're often used in the same conversation because they're related, but they describe different concepts. FCF = Free Cash Flow. SaaS LTV/CAC = Lifetime Value to Customer Acquisition Cost Ratio.
When should I use FCF vs SaaS LTV/CAC?
Use FCF when you're specifically referring to free cash flow. Use SaaS LTV/CAC when the topic is lifetime value to customer acquisition cost ratio.