The average amount that you've been charged for a conversion from your ad. Average cost per action (CPA) is calculated by dividing the total cost of conversions by the total number of conversions.
- For example, if your ad receives two 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 that you're charged for a conversion from your ad), which might be different from your target CPA (the amount that you've set as your desired average CPA if using target CPA bidding).
Learn more about campaign groups.