Free calculator
Outdoor Ad Cost & CPM Calculator
Compare hoardings, autos and digital on cost per day, cost per 1,000 impressions and cost per enquiry.
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- Per lead
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- CPM
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- Per lead
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- Per day
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CPM = cost ÷ total impressions × 1,000. For outdoor media, daily impressions are an estimate (traffic count × share of people facing the board) — ask your vendor how they estimate it. The cheapest CPM isn't always best: a board next to your shop can win on cost per enquiry.
How it works
About this tool
What is CPM in outdoor advertising?
CPM is the cost per 1,000 impressions: total cost divided by the estimated number of views, multiplied by 1,000. It lets you compare a hoarding, auto ads and digital ads on the same basis.
Where do impression numbers come from?
For outdoor media they're estimates based on traffic counts and visibility. For digital ads, the platform reports them. Treat outdoor figures as approximate and compare like with like.
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