Marketing & ecommerce

CPM Calculator

Calculate advertising cost per thousand delivered impressions.

No sign-upBrowser-only calculationsFormula & methodology
01

Your numbers

Use one currency and the same reporting period. Sample values are filled in to help you start.

currency
impressions

Your numbers stay in this browser.

02

Example result

Cost per 1,000 impressions6in your chosen currency
Cost per impression
0.01

Impressions are exposures, not unique people. Match spend and impression reporting periods.

Understand the result

How to calculate it

CPM = spend ÷ impressions × 1,000

Impressions are exposures, not unique people. Match spend and impression reporting periods.

Worked example

This is an illustrative scenario, not a market benchmark. Select “Reset to example” to reproduce it in the calculator.

Advertising spend
600 currency units
Delivered impressions
100,000 impressions

Cost per 1,000 impressions: 6

Common questions

CPM FAQ

Does a lower CPM mean better performance?

Not by itself. A cheap impression can still fail to reach relevant people. Compare clicks, conversions and revenue too.

What does this calculation leave out?

Impressions are exposures, not unique people. Match spend and impression reporting periods.

Are my inputs saved or sent to a server?

Calculations run in your browser. We do not send your inputs or results to our server or analytics. A comparison stays in this tab until it is refreshed. A CSV is saved only when you choose to download it. See our privacy policy for ordinary hosting and optional analytics data.

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