Paid Advertising
Cost Per Mille (CPM)
The price you pay for every 1,000 times your ad is shown, the standard currency for awareness and display buys.
Definition
Cost Per Mille is the cost of 1,000 ad impressions, where mille is Latin for thousand. It's the pricing model used when the goal is reach and visibility rather than immediate clicks, common across display, video, and social awareness campaigns.
In depth
CPM bills you for exposure, not action. You pay a flat rate for every 1,000 impressions your ad serves, whether or not anyone clicks. This makes it the natural unit for top-of-funnel campaigns where the job is simply to get your name in front of as many of the right homeowners as possible.
For a remodeler or builder, CPM matters when you're building local name recognition before anyone is ready to buy. If you want every homeowner in three target zip codes to see your brand a few times before remodeling season, geofencing those areas and buying on CPM tells you what that saturation costs, and lets you compare reach across channels on equal footing.
The trap with CPM is mistaking cheap impressions for value. A low cost per mille means little if the audience is wrong or the ad is never seen. We pair it with reach, frequency, and a strong click-through rate, and only run awareness buys when there's a clear path to feed those warmed-up homeowners into a lead-generating campaign later.
The formula
CPM = (Cost ÷ Impressions) × 1,000 Worked example
A remodeler spends $600 on a local display campaign that serves 120,000 impressions, so the CPM is $5.
Paid Advertising
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