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CPM Calculator
CPM is the price of reach. Use it to compare platforms and audiences, and to estimate how many impressions a budget will deliver.
CPM = Spend ÷ Impressions × 1,000
How the CPM Calculator works
Free CPM calculator: find cost per thousand impressions from spend and impressions, or the impressions a budget buys at a given CPM.
You enter
- › Spend
- › Impressions
You get
- › CPM
- › Cost per impression
Worked example (default values): Spend $10,000 · Impressions 2,000,000 → CPM $5.00 · Cost per impression 0.005.
Tips
- › Compare CPM within the same objective — reach campaigns are cheaper than conversion campaigns.
- › Rising CPM with steady CTR usually means auction pressure, not a creative problem.
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