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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

MetricDefinition
purchase eventsPurchase conversion events reported by Meta Pixel or Conversions API
Metadata
TypeNumber
Data SourceMeta Ads
AggregationCount

Example

Your Meta campaigns drove 847 purchases in March across three ad sets.
Ad SetPurchasesSpendCPA
Retargeting412$2,060$5.00
Lookalike298$2,682$9.00
Prospecting137$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

ScenarioAction
Evaluating campaign performanceCompare purchase counts across campaigns to identify top performers
Optimizing ad spend allocationShift budget toward ad sets generating more purchases
Assessing funnel healthTrack purchase volume alongside add-to-cart and checkout metrics
Benchmarking seasonal trendsCompare monthly purchase counts to identify growth patterns

MetricRelationship
Meta Purchases ValueTotal revenue from these purchases
Meta CPACost per purchase conversion
Meta ROASReturn on ad spend from purchases
See all Meta Conversions metrics →