How to Calculate Net Effective CPM
- 1). Write down how many hits or page impressions your website has over a given period of time. AdSense defines a page impression as the number of times a user visits a page that contains at least one advertisement. Pages with multiple ads only count as one page impression.
- 2). Divide the amount your web page earned in that time by the number of impressions. If your earnings for one month were $10 and you had 150 page impressions then your equation is 10 divided by 150, which equals .06667.
- 3). Multiply your answer by 1000. In our example, .6667 multiplied by 1000 equals an effective CPM of 66.67, or estimated earnings of $66.67 for that time frame.
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