CPA (Cost per Acquisition)

advertising metric

01 Definition

CPA (Cost per Acquisition) meaning: The average media cost required to produce one defined acquisition.

CPA is calculated by dividing campaign cost by the number of acquisitions attributed to that campaign. The acquisition might be a purchase qualified lead registration or another chosen outcome.

Also called

cost per action

Why it matters

How CPA (Cost per Acquisition) fits the work

It translates spend into the unit economics of a result.

In context

The campaign spent 2000 dollars for 40 signups producing a 50 dollar CPA.

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Practical note

Define the acquisition consistently and compare CPA with customer value and margin.