Dev.to
5/9/2026

LTV (Customer Lifetime Value) Calculation. 5 Common Methods for EC Operators
Short summary
E-commerce operators can calculate LTV five ways; pick based on business stage and data maturity. Use LTV/CAC = 3:1 as the baseline investment lens. Measure prerequisites (AOV, RPS, CAC) daily, compute LTV quarterly, and always decompose by channel and cohort—avoiding the averages-hide-problems trap.
- •Five LTV calculation methods; choose by business stage
- •Use LTV/CAC = 3:1 baseline for investment decisions
- •Decompose by channel and cohort; totals are misleading
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