About the SaaS LTV Calculator
SaaS customer lifetime value: ARPU × gross margin ÷ churn rate, with the implied customer lifetime.
Also known as: saas lifetime value, subscription ltv, ltv formula saas.
How to use this calculator
- Enter monthly arpu, gross margin, monthly churn.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
LTV = ARPU × margin ÷ churn
Worked example
Using the values pre-filled in the calculator above:
- Monthly ARPU = 120
- Gross margin = 80 %
- Monthly churn = 2.5 %
the calculator returns:
- LTV: 3,840
- Average lifetime: 40 months