Free Tools
Startup Calculators
Zero-signup, private, instant. Pick a metric — LTV, CAC, runway, or break-even — and get the number that matters.
CAC Calculator
CAC = Spend ÷ New Customers · LTV:CAC ≥ 3 is healthy
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Cost per customer
$100
LTV:CAC = 8.00:1 · Healthy — 3:1 is the SaaS benchmark. Scale ad spend.