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Customer lifetime value calculator

Estimate steady-state SaaS lifetime value from ARPU, gross margin, and monthly churn.

Private by default Immediate preview No signup for local exports

Live model

Customer lifetime value calculator

Your inputs

Calculated locally
$
Enter a non-negative number.
%
Enter a percentage from 0 to 100.
%
Enter a percentage from 0 to 100.
$
Enter a non-negative number.

Live results

Up to date
Estimated LTV
$2,640
Implied lifetime (months)
33.33 mo
LTV:CAC ratio
4.89:1

This simple steady-state model divides monthly gross profit per customer by monthly churn.

How this tool works

A useful result, with clear limits

Estimates steady-state SaaS customer lifetime value from monthly ARPU, gross margin, and monthly churn, with an optional LTV:CAC ratio.

How to use it

  1. Enter monthly ARPU, gross margin, and monthly churn.
  2. Optionally add CAC.
  3. Read estimated value and implied lifetime in months.

Inputs and output

Inputs
Monthly ARPU, gross margin, monthly churn, and optional CAC.
Output
Estimated LTV, implied lifetime in months, and optional LTV:CAC ratio.

Formula

LTV = (monthly ARPU × gross margin) ÷ monthly churn; lifetime = 100 ÷ churn percentage.

Privacy

Inputs are used only in this browser session and are never uploaded by the calculator.

Related tools

Customer acquisition cost calculatorNet revenue retention calculator

Straightforward by design

What to expect

One focused workflow, clear constraints, and no hidden result gate.

Does Customer lifetime value calculator upload my input?

The utility processes your input in this browser. ArcDemo only receives content when you explicitly choose a hosted save or product creation flow.