Blended CPM Explained (How to Calculate & Use It)

Blended CPM is an advanced metric used by advertisers to measure the average cost per 1,000 impressions across multiple campaigns or channels.

Instead of looking at a single campaign, blended CPM gives you a complete view of your advertising performance.

What Is Blended CPM?

Blended CPM represents the combined CPM of multiple campaigns. It helps advertisers understand their overall cost efficiency.

This is especially useful when running ads on multiple platforms such as Google Ads, Facebook, and YouTube.

How to Calculate Blended CPM

The calculation is similar to the standard CPM formula:

Blended CPM = (Total Cost ÷ Total Impressions) × 1000

To better understand the formula, see: CPM formula explained.

Blended CPM Example

Let’s say you run two campaigns:

• Campaign 1: $500 / 100,000 impressions
• Campaign 2: $300 / 50,000 impressions

Total cost = $800 Total impressi>

Blended CPM = (800 ÷ 150000) × 1000 = $5.33

Why Blended CPM Matters

Blended CPM helps you:

• Evaluate overall performance
• Compare channels
• Optimize budget allocation

You can also calculate different scenarios using the CPM calculator.

When to Use Blended CPM

This metric is useful when:

• You run multi-channel campaigns
• You want a big-picture view
• You manage multiple ad platforms

Final Thoughts

Blended CPM is a powerful metric for advertisers managing multiple campaigns. It helps you make better decisions and improve overall efficiency.