Free tool
CPM, solved.
Fill in any two. The third one works itself out.
$
$
- $10.00
- CPM
The arithmetic
CPM = ad spend ÷ impressions × 1,000.
Impressions = ad spend ÷ CPM × 1,000.
Ad spend = CPM × impressions ÷ 1,000.
Questions
How do you calculate CPM?
Ad spend divided by impressions, times 1,000. $500 for 50,000 impressions is a $10 CPM.
What does CPM stand for?
Cost per mille: the cost of a thousand impressions.
How many impressions will my budget buy?
Budget divided by CPM, times 1,000. $500 at a $10 CPM buys 50,000 impressions.
What is a good CPM on Facebook?
It moves with audience, season and placement, and we won’t print a number we can’t source. Your own account’s history is the fair comparison.