In online marketing and online advertising, CPM—or Cost Per Mille—is a key metric which enables advertisers and publishers look at the cost of reaching 1,000 viewers or impressions. Whether you're managing an advert campaign or monetizing a web site, a cpm calculator is a handy tool which can help you https://graph.org/What-Is-a-CPM-Calculator-Understanding-and-Using-Cost-Per-Mille-in-Advertising-05-10