Measurement
Cost Per Acquisition
The average media spend required to generate one completed conversion such as a purchase or signup.
What it means in practice
Cost per acquisition divides media spend by attributed completions of a clearly defined action. The conversion event, attribution rules, and included costs must remain consistent when comparing campaigns.
Why it matters
Cost per acquisition determines whether paid creator activity can produce outcomes within an allowable acquisition threshold.
How it is used
Growth teams rank amplified creator assets by cost per acquisition before shifting budget toward stronger converters.
Also called
CPA, cost per action
Related terms
- Cost Per ClickThe average amount an advertiser pays each time someone clicks a placement.
- Return on Ad SpendRevenue attributed to advertising divided by the media investment that produced it.
- Average Watch TimeThe mean duration viewers spend watching a video before scrolling away, used to compare retention across formats.