How much did it cost to reach a thousand people? Enter your estimated views and campaign cost — the CPM updates as you type.
CPM = Campaign Cost ÷ Estimated Impressions × 1,000. CPM (cost per mille) is the cost to reach one thousand impressions — the standard way to compare PR cost efficiency against paid media.
Impressions and views are estimated figures — treat CPM as a directional efficiency measure, not a precise cost. Nothing here is stored unless you press Save calculation while signed in.