Cost Per Impression Calculator

Calculate CPI (cost per impression) and CPM (cost per 1,000 impressions). Enter your total ad spend and impressions below.

You can enter raw impressions (e.g. 250000) or use the unit selector.
Cost per Impression (CPI)
Cost per 1,000 Impressions (CPM)
Inputs

Tip: CPM = CPI × 1000. If impressions are provided in K/M units the calculator will convert them to raw impressions first.