Blended Cost Per Share: Measure Ad Sharing Efficiency

Blended Cost Per Share measures the average cost to generate one share of your ads across all connected advertising platforms.

Formula

Blended Cost Per Share = Blended Spend ÷ Blended Shares

Formula Components

Metric	Definition
Blended Spend	Total advertising spend aggregated across all platforms
Blended Shares	Total shares of your ads aggregated across all platforms

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

Example

Your campaigns generated 2,500 shares across all platforms with a total spend of $5,000.

Platform	Spend	Shares	Cost Per Share
Meta	$2,500	1,800	$1.39
TikTok	$2,500	700	$3.57
Blended	$5,000	2,500	$2.00

How It Works

Blended Cost Per Share divides your total ad spend by the total number of shares across all connected platforms. This gives you a unified view of how efficiently your budget generates viral engagement, regardless of which platform drives the shares.

When to Use

Scenario	Action
Comparing viral efficiency	Benchmark cost per share against industry standards
Optimizing for shareability	Identify which creative assets generate shares most cost-effectively
Budget allocation	Shift spend toward platforms with lower cost per share
Campaign planning	Set target cost per share for awareness campaigns

Metric	Relationship
Blended Spend	Numerator in this calculation
Blended Shares	Denominator in this calculation
Blended Cost Per Engagement	Broader engagement efficiency metric

See all Blended Engagement metrics →

Blended Cost Per Comment Blended Video

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​Formula

​Formula Components

​Example

​How It Works

​When to Use

​Related Metrics

Formula

Formula Components

Example

How It Works

When to Use

Related Metrics