# CPM

URL: https://idukki.io/glossary/cpm
Category: Metrics
Also called: cost per mille, cost per thousand impressions
Pronunciation: C-P-M

Cost per 1,000 impressions. The pricing unit for paid social and display ads. UGC creative reduces CPM by 15-20% because the platform algorithm rewards native-feeling content.

## Related terms

- [ROAS (return on ad spend)](https://idukki.io/glossary/roas)
- [CPA (cost per acquisition)](https://idukki.io/glossary/cpa)
- [CTR (click-through rate)](https://idukki.io/glossary/ctr)