Calculate your Cost Per Mille to measure the cost efficiency of your display and media advertising campaigns.
Ad Spend ($)
Impressions
Enter total ad spend for the campaign, placement, or media plan.
Enter total impressions delivered in the same reporting period.
Calculate CPM, cost per impression, and estimated impressions per $100 of spend.
Use the result to compare display, video, social, and programmatic inventory before reallocating budget.
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Makes media cost efficiency easy to compare across channels and placements.
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Reveals whether high reach is coming from efficient inventory or expensive impressions.
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Supports faster campaign planning by translating CPM into impressions per budget block.
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Helps diagnose whether rising spend is caused by higher CPM, broader reach, or both.
CPM means cost per 1,000 impressions. It shows how much you pay for every thousand ad views in display, video, social, and programmatic campaigns.
Divide ad spend by impressions, then multiply by 1,000. For example, $1,000 spent on 500,000 impressions equals a $2.00 CPM.
Cost per impression is the cost of one ad view. CPM scales that number to 1,000 impressions so media buyers can compare placements and channels more easily.
A good CPM depends on channel, audience quality, geography, format, and objective. Low CPM is useful only when impressions are reaching the right audience.
Optimize for CPM when reach, awareness, or frequency is the primary goal. For conversion campaigns, compare CPM with CTR, CPC, CPA, and ROAS before deciding.
Reach per $100 translates CPM into a planning number. It helps estimate how many impressions a fixed budget can buy at the current media cost.
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