Advertising Help / FAQ If you’re interested in advertising on Groopti use the contact us form or send us an email at email@example.com. What is CPM?A: CPM stands for “Cost per Thousand Impressions”. When you advertise on our website your ad is shown to a user and counted as an impression when your ad is downloaded and displayed on a user’s sceen. How do I use CPM to calculate the cost of an ad campaign?A: Start with the total budget you’ve decided on your campaign. Devide your total budget by the CPM (roughly $8.00). Then multiply the result by 1000.