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CPM Calculator
Calculate CPM (cost per thousand impressions), total ad cost or impressions: enter any two to find the third.
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How to use this calculator
Enter your values after choosing the type of calculation in the tabs. The result updates as you type; press Calculate to confirm and jump to the result on mobile. Use Share to send the calculator with your result.
CPM formula
CPM = cost ÷ impressions × 1,000
CPM (“cost per mille”) lets you compare ad prices across platforms. Example: $1,500 for 250,000 impressions = $6.00 CPM. Related metrics: CPC (cost per click) and CPA (cost per acquisition).
Frequently asked questions
What does CPM stand for?
Cost per mille: the cost of 1,000 ad impressions.
About this tool
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- Expert review pending
- Last updated
- 31 Oct 2026
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