CPM Calculator
Compare what you pay for reach across Meta, Google, TikTok or any media buy. Enter the ad cost and impressions to get the CPM.
How it works
- 1
Enter the ad cost
Total spend for the campaign or period.
- 2
Enter impressions
How many times the ad was shown.
- 3
Read the CPM
Cost per 1,000 impressions and per impression.
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Frequently asked questions
It varies by platform, country, audience and season; compare against your own past campaigns.
What CPM tells you
CPM (cost per mille) is ad cost ÷ impressions × 1,000. Spending 500 for 100,000 impressions gives a CPM of 5.
CPM measures the price of attention, not results. A cheap CPM with poor click-through can cost more per sale than an expensive but well-targeted audience, so read it together with CTR, CPC and ROAS.