Answer Page
Cost Per Thousand Impressions Example
Cost per thousand impressions (CPM) is a permille-style metric used in advertising.
Interactive CPM Calculator
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Impressions
CPM
Worked Steps
- Campaign cost: $480
- Impressions: 120,000
- CPM = (480 / 120,000) * 1000 = $4.00
FAQ
- Is a lower CPM always better?
Not always. Low CPM without conversion quality can still perform poorly.
Practical Context
How this exact question appears in real work and what the result helps you decide.
Example 1: Campaign Planning
Who Asks This Question?
Media buyers ask this when they need to benchmark channel costs before launching or reallocating ad spend. For this exact query: How do I calculate cost per thousand impressions?
What This Answer Tells You
The CPM result shows the price paid for audience reach, which helps compare channels and set bid limits. For this case: Use CPM = (cost / impressions) * 1000.
Example 2: Post-Campaign Review
Who Asks This Question?
Marketing analysts ask this when validating whether delivered impressions matched cost expectations. For this exact query: How do I calculate cost per thousand impressions?
What This Answer Tells You
The answer turns raw spend and impressions into a normalized metric for performance review and reporting. For this case: Use CPM = (cost / impressions) * 1000.