Enter ad spend and impressions to calculate CPM (cost per 1,000 impressions) instantly. Reverse-calculate expected impressions from a target CPM and budget, or find the required budget for a target impression count. Everything runs in your browser with no data sent to a server.
CPM = ad spend ÷ impressions × 1,000What it is, who it's for, how it works and why you'd use it.
CPM Calculator is a tool that computes Cost Per Mille (ad spend ÷ impressions × 1,000), reverse-calculates expected impressions from a budget and target CPM, and finds the required budget for a target number of impressions.
It is for marketers running display, video, and social ads, small business owners running brand awareness campaigns, and PMs planning impression-based ad budgets.
In CPM mode, enter ad spend and impressions to see CPM instantly. In reverse modes, enter a target CPM with a budget to get expected impressions, or a target impression count with a CPM to get the required budget.
CPM is the standard metric for measuring cost efficiency in brand awareness campaigns. Reverse-calculating from a target CPM helps you plan impression-based budgets accurately.