Platform & channel calculators

Email CPM Calculator

Standardise email sponsorship and campaign costs by calculating the amount paid for every 1,000 delivered messages.

Interactive calculator

Calculate cost per thousand

For a delivery-based email buy, use delivered emails as impressions. Opens and clicks are separate engagement measures.

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

For a delivery-based email buy, use delivered emails as impressions. Opens and clicks are separate engagement measures.

Email CPM = (campaign cost ÷ delivered emails) × 1,000.

Example calculation

A £750 placement delivered to 150,000 inboxes has a £5.00 email CPM.

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

Use the result correctly

  • Use delivered volume after bounces, not the raw send list.
  • Keep list rental, creative, and placement fees consistent between comparisons.
  • Review open and click quality alongside delivery CPM.

Frequently asked questions

What does email 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 for a delivery-based email buy, use delivered emails as impressions. opens and clicks are separate engagement measures.

What formula does email cpm calculator use?

Email CPM = (campaign cost ÷ delivered emails) × 1,000.

Is email cpm calculator free to use?

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