eCPM Calculator
Calculate eCPM (effective revenue per 1,000 impressions) from revenue and impressions.
eCPM Calculator
Calculate eCPM (effective cost per 1,000 impressions) — your revenue per 1,000 impressions.
Formula: eCPM = revenue ÷ impressions × 1,000
About eCPM Calculator
The eCPM Calculator works out your effective cost per 1,000 impressions (eCPM) from the revenue earned and the impressions served. Publishers use eCPM to compare how much different ad units, formats or networks actually earn per 1,000 impressions, regardless of how each deal is priced.
How to use eCPM Calculator
- Enter the revenue earned.
- Enter the number of impressions.
- Read your eCPM — revenue per 1,000 impressions.
Frequently asked questions
What is eCPM?
eCPM (effective cost per mille) is revenue divided by impressions, times 1,000. It normalises earnings to a per-1,000-impressions basis so different placements can be compared.
How is eCPM different from CPM?
CPM is what an advertiser pays per 1,000 impressions; eCPM is what a publisher effectively earns per 1,000 impressions across all revenue sources, even ones not sold on a CPM basis.
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