Blended All Conversions ROAS: Cross-Platform Return on Ad Spend

Measure aggregated ROAS across Meta, Google, and TikTok including all conversion types. Formula, examples, and optimization strategies.

Return on ad spend calculated from all conversion types—including cross-device and view-through conversions—aggregated across all ad platforms.

Formula

Blended All Conversions ROAS = Blended All Conversions Value ÷ Blended Spend

Formula Components

Metric	Definition
Blended All Conversions Value	Total revenue from all conversion types across platforms
Blended Spend	Total ad spend aggregated across all platforms

Metadata
Type	Multiplier
Data Source	Meta Ads, Google Ads, TikTok Ads
Aggregation	Ratio

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Example

Your campaigns show 3.8x blended all conversions ROAS this month:

Metric	Value
Blended All Conversions Value	$152,000
Blended Spend	$40,000
Blended All Conversions ROAS	3.8x

This includes view-through and cross-device conversions that standard ROAS may miss.

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How It Works

Blended All Conversions ROAS divides total conversion value—including cross-device and view-through conversions—by total ad spend across Meta, Google, and TikTok. This provides a comprehensive view of advertising efficiency that captures the full customer journey across devices and touchpoints.

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When to Use

Scenario	Action
Measuring total advertising efficiency	Compare all conversions ROAS vs standard ROAS
Evaluating view-through impact	Quantify revenue from non-click conversions
Cross-device attribution	Capture conversions that span multiple devices
Executive reporting	Report holistic marketing ROI to stakeholders

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Related Metrics

Metric	Relationship
Blended ROAS	Click-attributed conversions only (narrower scope)
Blended Conversions ROAS	Similar metric with different conversion window
Blended All Conversions Value	Numerator in this calculation

See all Blended Efficiency metrics →