Answer Page
Cost From $18 CPM And 320,000 Impressions
When CPM and impressions are known, total spend is straightforward. Multiply the CPM by the number of thousand-impression blocks.
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Worked Steps
- Use cost = (CPM × impressions) / 1000
- Substitute: (18 × 320,000) / 1000
- 18 × 320,000 = 5,760,000
- 5,760,000 / 1000 = 5,760
- Sanity check: (5,760 / 320,000) × 1000 = $18 CPM
FAQ
- What would 100,000 impressions cost at an $18 CPM?
$1,800. - Would 320,000 impressions at a $9 CPM cost half as much?
Yes. It would cost $2,880 because the CPM is cut in half. - Is CPM based on clicks or impressions?
Impressions. CPM means cost per thousand impressions, not cost per click.
Practical Context
How this exact question appears in real work and what the result helps you decide.
Example 1: Campaign Budget Approval
Who Asks This Question?
Media buyers ask this exact $18 CPM with 320,000 impressions setup when building a budget request before a campaign launches. For this exact query: What total cost do you get at $18 CPM for 320,000 impressions?
What This Answer Tells You
The answer gives a forecast cost of $5,760 for that delivery target, which supports approvals, pacing plans, and vendor comparisons. For this case: Total cost is $5,760.
Example 2: Placement Cost Comparison
Who Asks This Question?
Performance marketers ask what 320,000 impressions cost at an $18 CPM when comparing one inventory source against another quoted on the same basis. For this exact query: What total cost do you get at $18 CPM for 320,000 impressions?
What This Answer Tells You
Knowing the spend is $5,760 makes it easier to judge whether the expected reach and downstream performance justify that CPM. For this case: Total cost is $5,760.