CPM Calculator (Cost per 1,000 Impressions)
CPM calculator: cost per thousand impressions from campaign cost and impressions, or the budget needed for a CPM.
CPM = CI · 1000
How to use this calculator
- Choose the quantity you want under “Solve for”.
- Type the known values and pick their units: any combination works.
- The result updates as you type. Open “Show the steps” to see the substitution.
CPM = cost ÷ impressions × 1,000. Use it to compare ad networks and placements.
Formula
CPM = CI · 1000
| Symbol | Quantity | Units |
|---|---|---|
| C | Campaign cost | $, €, £ |
| I | Impressions | — |
| CPM | Cost per 1,000 impressions | $, €, £ |
Worked example
Given: C = 500.00 $ · I = 100 000
CPM = 1000 CI
Result: CPM = 5.00 $
Cost per 1,000 impressions for different values of Campaign cost
| C · Campaign cost | CPM · Cost per 1,000 impressions |
|---|---|
| 250.00 $ | 2.50 $ |
| 375.00 $ | 3.75 $ |
| 450.00 $ | 4.50 $ |
| 500.00 $ | 5.00 $ |
| 550.00 $ | 5.50 $ |
| 625.00 $ | 6.25 $ |
| 750.00 $ | 7.50 $ |
| 1,000.00 $ | 10.00 $ |
Other values as in the worked example.
Frequently asked questions
$500 for 100,000 impressions?
CPM $5.
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