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Meta Cost per Add to Cart measures the average spend per add-to-cart event from your Meta ads, indicating purchase intent acquisition efficiency.

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Formula

Meta Cost per Add to Cart = Meta Spend ÷ Meta Add to Carts

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Formula Components

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Example

Your retargeting campaign spent $3,500 on Meta ads last month and generated 1,750 add-to-carts.

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How It Works

Cost per Add to Cart divides your total Meta ad spend by the number of add-to-cart events tracked via the Meta Pixel or Conversions API. An add-to-cart event fires when someone adds a product to their shopping cart after engaging with your ad. Lower cost per add-to-cart indicates more efficient purchase intent generation.

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When to Use

See all Meta Conversions metrics →