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Business Finance
Calculate acquisition cost, modeled gross-profit LTV and their ratio from explicit inputs.
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FinTrex result
CAC : LTV Calculator
Modeled LTV:CAC ratio
9.45×
CAC
$40
Modeled gross-profit LTV
$378
What changes this most?
CAC and LTV should be measured on compatible cohorts and contribution definitions before comparing the ratio.
Sensitivity check
A roughly 10% move in acquisition spend changes the modeled headline result by up to 1.1 in this setup.
LTV is assumption-based and should be validated against cohorts. This is not an audited valuation metric.
Use the number fields, sliders, or a quick preset. You can fully clear a field while editing.
Formula
CAC equals acquisition spend ÷ new customers. LTV equals average revenue per customer × gross margin × modeled customer lifetime. LTV:CAC divides the two.
This is a deterministic unit-economics model. Retention, cohort behavior, timing, discounting and overhead are not inferred.
Editable rates, growth assumptions, prices, fees, and percentages are planning inputs unless the calculator explicitly identifies a current source.
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