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.