PALLAS / CALCULATOR

CPM Calculator

Calculate the cost per 1,000 impressions from advertising spend and impression volume.

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Updates as valid inputs change.
Method & formula

CPM puts media cost on a common basis of 1,000 impressions, which makes campaigns with different delivery volumes easier to compare.

  • CPM = ad spend ÷ impressions × 1,000
Example

500 of ad spend across 100,000 impressions gives a CPM of 5.

FAQ

Does a lower CPM always mean better advertising?

No. CPM only measures delivery cost. Audience quality, clicks, conversions and revenue can make a higher-CPM campaign more valuable.

What happens with zero impressions?

CPM cannot be calculated because there is no impression denominator.

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