What is the media cost?
$15 CPM
1,000,000 impressions
(CPM x no. of impressions) \ 1,000 = Media cost
$15,000
Get the CPM
$50,000 media spend
4,000,000 impressions
(Media cost \ ad impressions) x 1,000 = CPM
$12.50
What will be the number of impressions?
$25,000 media spend
$10 CPM
(Media cost / CPM) x 1,000 = impressions
2,500,000
Find the CTR
1250 Clicks
3,000,000 impressions
(Clicks \ impressions) x 100 = % CTR
0.042
Find number of clicks
5,000,000 impressions
.02 CTR
(Impressions x %CTR) / 100 = # of clicks
1,000
CPC
Media cost/# of click Throughs