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Average CPA: Definition

The average amount you’ve been charged for a conversion from your ad. Average cost-per-acquisition (CPA) is calculated by dividing the total cost of conversions by the total number of conversions. 

  • For example, if your ad receives 2 conversions, one costing $2.00 and one costing $4.00, your average CPA for those conversions is $3.00.
  • Average CPA is based on your actual CPA (the actual amount you're charged for a conversion from your ad), which might be different than your target CPA (the amount you’ve set as your desired average CPA if using Target CPA bidding).
  • Use performance targets to set an average CPA target for all campaign in a campaign group.
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