AdSense CPA Calculator

AdSense CPA Calculator is a free tool that helps you to calculate the CPA of your AdSense. It is easy to use and calculate the Cost Per Action/Acquisition.

How to Calculate CPA (Cost Per Action/Acquisition)?

CPA is another ad model that pays the publisher for any positive customer action like the sale of the product or sign in of newsletter etc.

CPA can be found out by dividing the cost to the advertiser by the number of actions received on the ad.

CPA Formula

CPA = Cost to the Advertiser / Number of Conversions.

It can also be computed by dividing the cost to the advertiser by the product of the Number of impressions, Click-through-rate, and Conversion rate.


CPA = Cost to an advertiser / (Number of ad impressions x CTR x CR)

For Example: An ad campaign was viewed 5000 times, received 200 clicks and there was a total of 20 positive conversions. The total cost that the advertiser decides to pay is $200, Then the CPA can be calculated as:

CTR = (200/5000) x 100 = 4% 0r 0.04.

No. of positive conversions = 20

So, CR = (20/200) x 100 = 10% or 0.10

Total cost to the advertiser = $200


CPA = 200/20 = $10

0r, CPA = 200/ (5000 x 0.04 x 0.10) = $10

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