Advertising efficiency

CPM Calculator

Calculate CPM, campaign cost, or impressions with a clear formula breakdown.

Free foreverPrivate browser calculationInstant results
Enter your numbers

Calculate your result

Choose the value you want to solve.
USD
Total amount spent
Total ad impressions
USD
Cost per 1,000 impressions
Campaign comparison

Which campaign has the lower CPM?

Compare two campaigns using the same currency.

Campaign A

VS

Campaign B

Enter both campaigns to compare.
Understand the metric

CPM Calculator formula and meaning

CPM means cost per mille, or cost per one thousand ad impressions. Use the calculator above for quick planning, then verify final performance inside your advertising or publishing platform.

Important

Results are estimates based on the values you enter. They are not financial advice or a performance guarantee.

Frequently asked questions

Questions about CPM

What is CPM?

CPM means cost per mille, or cost per one thousand ad impressions.

How do I calculate CPM?

Divide total campaign cost by total impressions, then multiply by 1,000.

Is a lower CPM always better?

Not necessarily. A lower CPM can reduce reach costs, but audience quality, placement, viewability, and conversions also matter.