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# CPM (Cost Per Mille)
- URL: https://www.adlingo.org/glossary/cpm/
- Published: 2025-01-15T11:29:00.000Z
- Updated: 2025-01-15T11:29:00.000Z
- Description: The cost an advertiser pays per thousand impressions of their ad.
- Author: Travis Lusk
- Tags: Programmatic, #glossary, #Import 2026-10-27 17:05

The base unit of digital media pricing. A $10 CPM means you pay $10 for every thousand times your ad is served. Simple enough. The complexity is in what counts as a served impression, whether it was viewable, and whether a human saw it. The CPM is just the price; the value behind it varies considerably.