How to Calculate eCPM in Google Adsense
eCPM (effective CPM) in Google Adsense can be calculated by two different formulas:
1) divide total earnings by impressions, and then multiply by 1000;
2) multiply CTR by CPC by 1000.
This is the formula to calculate eCPM in Adsense:

eCPM = CTR x CPC x 1000 
This post belongs to series How to calculate Google Adsense metrics
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