LTV:CAC Ratio Calculator

Compute LTV, CAC, LTV:CAC ratio and payback months.

Inputs

Enter values. Percent fields accept 0–100.

ARPU / Avg revenue per user (monthly)

Gross margin (%)

Monthly churn (%)

CAC

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Gross profit per month

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LTV (gross profit)

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LTV:CAC

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Payback (months)

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Assumes LTV ≈ (ARPU × margin) / churn. Use with caution for very low churn.