Digital Marketing & Analytics
Basic

Cost Per Mille (CPM)

Cost to reach 1 000 viewers with an ad.

Formula

CPM=CostImpressions×1000CPM = \frac{\text{Cost}}{\text{Impressions}} \times 1000

Variables

CPMCost per thousand impressions
\text{Cost}Total ad spend
\text{Impressions}Total impressions served

Example

$150 for 50 000 impressions → CPM = $3.00

Did You Know?

CPM was borrowed from print advertising; 'mille' is Latin for thousand.

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