Skip to content
Calculator Tools
Digital Marketing Calculators

CPM Calculator

CPM (cost per thousand impressions) from ad spend and impressions, a standard metric for display and social ads.

Enter values

Results update as you type.

Result

CPM

$6.00

Step-by-stepShow
  1. CPM = 2,400 ÷ 400,000 × 1000 = 6

About the CPM Calculator

CPM (cost per thousand impressions) from ad spend and impressions, a standard metric for display and social ads.

Also known as: cost per mille, cost per thousand impressions, cpm formula.

How to use this calculator

  1. Enter ad spend, impressions.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Open “Step-by-step” to see how the answer was worked out.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

CPM = Ad spend ÷ Impressions × 1000

Worked example

Using the values pre-filled in the calculator above:

  • Ad spend = 2,400
  • Impressions = 400,000

the calculator returns:

  • CPM: 6

Working

  1. CPM = 2,400 ÷ 400,000 × 1000 = 6