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CPM Calculator

Calculate CPM, campaign cost, impressions, cost per impression, and impressions per dollar for advertising campaigns.

Choose the missing value to calculate.

Total gross campaign spend.

Total ad impressions.

Cost per 1,000 impressions.

Status: initial

Results

Awaiting calculation

Marketing metric

Introduction

The CPM Calculator helps advertisers, publishers, marketers, and analysts calculate cost per thousand impressions, campaign cost, or impressions from two known values.

CPM equals campaign cost divided by impressions, multiplied by 1,000. The same relationship can be rearranged to calculate campaign cost or impressions.

Formula and method guide

CPM

CPM = Campaign Cost / Impressions x 1,000

Use this when cost and impressions are known.

Campaign cost

Cost = CPM x Impressions / 1,000

Use this to estimate budget required for a target impression count.

Impressions

Impressions = Campaign Cost / CPM x 1,000

Use this to estimate reach from a budget and CPM.

Variables

Campaign cost

Total gross advertising spend for the campaign or placement.

Impressions

The number of times an ad is served or viewed, depending on platform reporting.

CPM

Cost per 1,000 impressions.

Cost per impression

Campaign cost divided by impressions.

Impressions per dollar

Estimated impressions generated by each dollar of spend.

FAQs

What does this CPM Calculator calculate?
It calculates CPM, campaign cost, impressions, cost per impression, and impressions per dollar.
What does CPM stand for?
CPM stands for cost per mille, meaning cost per thousand impressions.
What is the CPM formula?
CPM equals campaign cost divided by impressions, multiplied by 1,000.
How do I calculate campaign cost from CPM?
Multiply CPM by impressions, then divide by 1,000.
How do I calculate impressions from CPM?
Divide campaign cost by CPM, then multiply by 1,000.
What is a good CPM?
A good CPM depends on channel, audience, targeting, format, country, inventory quality, and campaign goal.
Is CPM the same as CPC?
No. CPM is based on impressions, while CPC is based on clicks.
Is CPM the same as CPA?
No. CPA measures cost per acquisition or action, while CPM measures cost per thousand impressions.
Can CPM be zero?
Mathematically yes for free media, but CPM must be greater than zero when solving for impressions.
Does this include agency fees?
Only if those fees are included in the campaign cost you enter.
Does this verify ad platform reporting?
No. It calculates from the numbers entered and does not verify platform data.
What are impressions?
Impressions are ad exposures or ad views as reported by the platform or publisher.
What is cost per impression?
Cost per impression is campaign cost divided by total impressions.
Can publishers use this calculator?
Yes. Publishers can use it to estimate pricing from impressions and CPM.
Is this marketing advice?
No. It is a generic advertising math calculator.

References

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