Free Tools
Startup Calculators
Zero-signup, private, instant. Pick a metric — LTV, CAC, runway, or break-even — and get the number that matters.
LTV Calculator
LTV = ARPU × Gross Margin ÷ Monthly Churn
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Lifetime Value
$800
A customer paying $50/mo at 80% margin with 5% monthly churn is worth roughly $800 over their lifetime.