Meta Purchases: Attributed Conversion Count

Meta Purchases counts how many completed purchases Meta attributes to your ads, based on pixel or Conversions API data.

Formula

Meta Purchases = COUNT ( purchase events )Each purchase event attributed to your Meta ads is counted once, regardless of order value.

Formula Components

Metric	Definition
purchase events	Purchase conversion events reported by Meta Pixel or Conversions API

Metadata
Type	Number
Data Source	Meta Ads
Aggregation	Count

Example

Your Meta campaigns drove 847 purchases in March across three ad sets.

Ad Set	Purchases	Spend	CPA
Retargeting	412	$2,060	$5.00
Lookalike	298	$2,682	$9.00
Prospecting	137	$2,740	$20.00

How It Works

Meta counts a purchase when a visitor completes checkout after interacting with your ad within the attribution window. The purchase event is captured via the Meta Pixel on your site or sent through the Conversions API from your server.

When to Use

Scenario	Action
Evaluating campaign performance	Compare purchase counts across campaigns to identify top performers
Optimizing ad spend allocation	Shift budget toward ad sets generating more purchases
Assessing funnel health	Track purchase volume alongside add-to-cart and checkout metrics
Benchmarking seasonal trends	Compare monthly purchase counts to identify growth patterns

Metric	Relationship
Meta Purchases Value	Total revenue from these purchases
Meta CPA	Cost per purchase conversion
Meta ROAS	Return on ad spend from purchases

See all Meta Conversions metrics →

Meta Conversions Meta Revenue

⌘I

​Formula

​Formula Components

​Example

​How It Works

​When to Use

​Related Metrics

Formula

Formula Components

Example

How It Works

When to Use

Related Metrics