1. Enter your daily impressions. (this is the number that shows how many times an ad has been showed to your visitors)
2. Enter your Click Through Rate. (this is the percentage of how many clicks you get from the total of the impressions)
3. Enter the Cost Per Click. (this is the average price for a clicked advertisment)
4. Click the "Calculate" button.
With adsense calculator you can calculate your possible earnings in the Google Adsense advertising system.