Online tools & reference searches

CPM Calculator Online

Calculate CPM, total media cost, or impressions in the browser without uploading campaign data.

Interactive calculator

Calculate cost per thousand

Choose the value you want to solve, enter the other two values, and review the formula shown below the tool.

Symbols only; values are not converted.

Example values are prefilled—edit either available input.

iThe total amount spent or earned for the impressions in this calculation.
£
Enter the total value for one reporting period.
iThe number of times the advertisement or placement was delivered.
views
Use impressions from the same period as the cost.
iCost per mille: the cost or revenue for every 1,000 impressions.
£ per 1K
The rate applied to each thousand impressions.
Quick examples

How this calculation works

Choose the value you want to solve, enter the other two values, and review the formula shown below the tool.

CPM = (cost ÷ impressions) × 1,000.

Example calculation

£900 across 180,000 impressions produces a £5.00 CPM.

Change either input in the calculator to model a different campaign scenario.

Use the result correctly

  • Check all inputs before using the result in a media plan.
  • Choose the correct display currency.
  • Save the formula with your report for easy auditing.

Frequently asked questions

What does cpm calculator online calculate?

It calculates CPM, total cost, or impressions from any two known values. The page also explains the formula in the context of choose the value you want to solve, enter the other two values, and review the formula shown below the tool.

What formula does cpm calculator online use?

CPM = (cost ÷ impressions) × 1,000.

Is cpm calculator online free to use?

Yes. The calculator runs in your browser and does not require an account.