Blended Purchases: Cross-Channel Conversion Tracking

Track purchase conversions attributed to your advertising across all channels. Measure total cross-platform conversion volume.

Blended Purchases measures the total number of purchase conversions attributed to your advertising across all connected ad platforms.

Formula

Blended Purchases = SUM ( Attributed Purchases ) ACROSS All Channels

Formula Components

Metric	Definition
Meta Purchases	Purchase conversions attributed to Meta ads
Google Purchases	Purchase conversions attributed to Google ads
TikTok Purchases	Purchase conversions attributed to TikTok ads

Metadata
Type	Number
Data Source	Meta Ads, Google Ads, TikTok Ads
Aggregation	Sum

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Example

Your ad campaigns drove 847 purchases across all platforms in March:

Platform	Purchases	% of Total
Meta Ads	512	60%
Google Ads	268	32%
TikTok Ads	67	8%
Blended Total	847	100%

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How It Works

Blended Purchases aggregates purchase conversions attributed to your advertising across Meta, Google, and TikTok. Each platform reports conversions based on its own attribution model and window, then these values are summed to provide a unified cross-channel view of ad-driven conversions.

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When to Use

Scenario	Action
Measuring total ad-driven conversions	Track overall advertising effectiveness
Comparing cross-platform performance	Identify which platforms drive more purchases
Calculating blended CPA or ROAS	Use as the conversion count for efficiency metrics
Budget allocation decisions	Allocate spend toward higher-converting platforms

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Related Metrics

Metric	Relationship
Blended Purchases Value	Revenue from these purchases
Blended CPA	Cost per purchase (Spend ÷ Purchases)
Blended ROAS	Return on ad spend using these conversions

See all Blended Conversions metrics →