---
title: "What is a CPM?"
canonical: https://www.beehiiv.com/newsletter-glossary/cpm
description: "CPM (cost per mille) is a payment method that the beehiiv Ad Network uses where you earn based on the number of unique opens per send for an advertiser. For example, with a $5 CPM, you’ll earn $5 for every 1,000 unique opens you deliver in a single send."
source: live-converter
generated: 2026-10-12T22:22:49.919Z
---

-   [Newsletter Glossary](/newsletter-glossary)
-   CPM

# CPM

## What is CPM?

CPM (cost per mille) is a payment method that the [beehiiv Ad Network](https://www.beehiiv.com/features/ad-network) uses where you earn based on the number of unique opens per send for an advertiser. For example, with a $5 CPM, you’ll earn $5 for every 1,000 unique opens you deliver in a single send.

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