How to use this calculator
- Enter monthly revenue per customer, gross margin (%), monthly customer churn (%).
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
Assumptions and limitations
Use monthly churn with monthly revenue. It is not a contractual lifetime guarantee or a customer valuation prediction.
Worked example
With monthly revenue per customer = 100, gross margin (%) = 80, monthly customer churn (%) = 4, modeled gross-profit ltv is approximately 2000.
What the result means
This simplified expected lifetime model is highly sensitive to churn and ignores discounting and customer heterogeneity.
Common questions
How should I interpret modeled gross-profit ltv?
This simplified expected lifetime model is highly sensitive to churn and ignores discounting and customer heterogeneity.
What should I check before using this result?
Use monthly churn with monthly revenue. It is not a contractual lifetime guarantee or a customer valuation prediction.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.