LTV:CAC calculator for SaaS
Enter your ARPA, gross margin, monthly churn and CAC to get your customer lifetime value, your LTV:CAC ratio and your CAC payback period. A healthy LTV:CAC is 3 or higher; below 1.5 means you lose money per customer.
Fill in the fields above to calculate.
Last updated: June 25, 2026. For information only — not financial advice.