CPM Calculator Cost per thousand impressions. Total ad cost ($) Impressions CPM ($) 5 Step-by-step with your numbers: 1. Values used: 2. Total ad cost = 500 $ 3. Impressions = 100,000 4. CPM = 5$ Did we solve your problem today? 👍 Yes 👎 No Thanks for the feedback! CPM = cost per 1,000 impressions. FAQ Good CPM? Varies widely: $2–10 for display ads. Related calculators Cost Per Click (CPC) Calculator Find the average cost per click. Click-Through Rate (CTR) Calculator Find click-through rate from clicks and impressions. ROAS Calculator Find return on ad spend.