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Blended Cost per Add to Cart measures how much you spend to generate one add-to-cart event. Meta and TikTok are the platforms that report add to carts, so only their spend counts.

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Formula

Blended Cost per Add to Cart = ( Meta Spend + TikTok Spend ) ÷ Blended Add to Carts

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Formula Components

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Example

Your store ran ads on all three platforms last month: Blended Spend is $15,000. Dividing all of it by the 3,000 add to carts would give $5.00, and Google’s spend would make Meta and TikTok look 25% more expensive than they are.

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How It Works

Upstack adds Meta and TikTok spend and divides by the add-to-cart events those two platforms report. Google Ads doesn’t report add to carts, so its spend is left out. In the app the formula reads Meta + TikTok Spend ÷ Add to Carts. If you run Google Ads, this metric won’t equal Blended Spend ÷ Blended Add to Carts.

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When to Use

See all Blended Conversions metrics →