Cost Per Mille (CPM)
Cost of 1,000 ad impressions
FORMULA
CPM = (Total Ad Spend / Total Impressions) × 1,000
What is Cost Per Mille?
Cost Per Mille (CPM) measures the cost an advertiser pays for every 1,000 ad impressions. It's commonly used in display advertising, programmatic buying, and brand campaigns. CPM varies based on audience quality, placement, and market conditions.
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Sample Data
| day | spend | impressions | cpm |
|---|---|---|---|
| Jan 1 | 2,000 | 1,000,000 | 2 |
| Jan 2 | 2,100 | 1,100,000 | 1.91 |
| Jan 3 | 2,200 | 1,050,000 | 2.1 |
| Jan 4 | 2,300 | 1,150,000 | 2 |
Required Data Columns
Total SpendTotal Impressions