// multi-utility computation suite · offline · instant · precise
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fin.customer-lifetime-value Calculator
Calculates Customer Lifetime Value from annual revenue per customer, gross margin, and churn rate. LTV = (ARPU × gross margin) / churn rate — the two biggest levers are gross margin improvement and churn reduction.
Inputs
Avg Purchase
Reference formula or conversion factor shown for context.
Purchases Per Yr
Reference formula or conversion factor shown for context.
Avg Customer Life Yrs
Distance between supports (m). Longer spans experience larger bending moments — structural adequacy must be rechecked.
Gross Margin Pct
Profit as a percentage of revenue. Margin % is always lower than markup % — a $5 profit on a $15 selling price is 33% margin but 50% markup.
Results
LTV (profit)
Revenue minus all costs -- the net gain from the activity.
LTV (revenue)
LTV (customer lifetime value) -- total revenue expected from a customer over their entire relationship. Compare to CAC for unit economics.
annual revenue per customer
The result expressed on a per-year basis.
annual profit per customer
Revenue minus all costs -- the net gain from the activity.
max CAC (LTV/3 rule)
LTV (customer lifetime value) -- total revenue expected from a customer over their entire relationship. Compare to CAC for unit economics.
LTV:CAC ratio target
The proportional relationship between two quantities.