LTV:CAC ratio

Enter lifetime contribution and CAC to see their ratio. A positive ratio compares contribution before acquisition cost with the price paid to acquire the customer.

Contribution generated over the selected horizon.
Advertising spend divided by customers.
Choose one purchase or the customer lifetime.

Worked example

This example uses the same calculation as the form. Enter your values and select “Calculate” to see your result.

Example inputs

Example result

Formulas and units

Values are rounded for display only; enter percentages on a 0–100 scale. See the methodology.

Formula version: 1.0

Checked 2026-09-26.