CPM Calculator

Business Calculator

CPM Calculator

Calculate cost per thousand impressions, ad cost, or impressions for advertising campaigns.

⚠️ Please enter valid values greater than zero.
Result
Calculator guide

How this calculator works

How to use this calculator

Choose whether you want to calculate CPM, total ad cost, or impressions. Enter the known values and click Calculate.

Formula used

CPM = Cost ÷ Impressions × 1,000. Cost = CPM × Impressions ÷ 1,000. Impressions = Cost ÷ CPM × 1,000.

Example calculation

If an ad campaign costs $500 and receives 100,000 impressions, CPM is $5.

What the result means

CPM means cost per thousand impressions. It is often used to compare the cost efficiency of advertising campaigns.

Frequently asked questions

What does CPM stand for?

CPM stands for cost per mille, or cost per thousand impressions.

Is a lower CPM always better?

Not always. A lower CPM can reduce reach cost, but campaign quality, targeting, and conversions also matter.

Does CPM measure clicks?

No. CPM is based on impressions, not clicks.