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Business & Accounting

CPM Calculator

Calculate CPM (cost per thousand impressions), the budget for a number of impressions, or the impressions a budget buys.

Your inputs

Results

CPM

$3.00

✓Exact calculation — rounded only for display

What this calculator does

CPM is the standard pricing unit for display and video advertising.

Formula and method

CPM = spend ÷ impressions × 1000; Budget = CPM × impressions ÷ 1000; Impressions = budget ÷ CPM × 1000

Worked example

Calculated by this tool with its default inputs:

Inputs

  • Calculate: CPM from spend and impressions
  • Spend / budget: 450 (any currency)
  • Impressions: 150000

Results

  • CPM: 3

How to read the results

CPM measures reach cost, not results — pair it with CTR and conversion data.

Assumptions and limitations

  • “Mille” is Latin for thousand.

Financial results are estimates based on the inputs and assumptions shown. They are not financial advice; confirm figures with your lender, provider or a qualified adviser before making decisions.

Questions

What affects CPM?

Audience targeting, placement, season and competition among advertisers.

Methodology and verification

Result type
Exact mathematical calculation (rounded only for display)
Formula version
1.0
Automated verification
4 reference and validation test cases, checked against independently computed values. The site cannot be built if any of them fail.
Editorial review
Awaiting human editorial review. The explanation was drafted with AI assistance; the formula and examples are verified by the automated tests above.

Privacy

Everything you enter is calculated in this browser and is not sent to Numerith or anyone else. Inputs are added to a share link only if you choose to include them. Privacy policy