Platform & channel calculators

Billboard CPM Calculator

Put an outdoor placement on the same cost-per-thousand basis as other media by combining its total cost with estimated impressions.

Interactive calculator

Calculate cost per thousand

Use the full campaign cost and the audience-impression estimate supplied for the same dates, locations, and number of faces.

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

Use the full campaign cost and the audience-impression estimate supplied for the same dates, locations, and number of faces.

Billboard CPM = (total placement cost ÷ estimated billboard impressions) × 1,000.

Example calculation

A £4,500 placement with 900,000 estimated impressions has a £5.00 CPM.

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

Use the result correctly

  • Match the audience estimate to the booked campaign dates.
  • Use impressions, not unique reach, in the CPM denominator.
  • Compare viewability, location, and audience quality as well as CPM.

Frequently asked questions

What does billboard cpm calculator calculate?

It calculates CPM, total cost, or impressions from any two known values. The page also explains the formula in the context of use the full campaign cost and the audience-impression estimate supplied for the same dates, locations, and number of faces.

What formula does billboard cpm calculator use?

Billboard CPM = (total placement cost ÷ estimated billboard impressions) × 1,000.

Is billboard cpm calculator free to use?

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