what size is a half page ad
Standard Print Ad Sizes. Full Page â 10.5 inches in width by 21 inches in height; 10.5 inches wide is about equal to the size of 6 columns. Half Page: Horizontal â 10.5 inches or 6 columns wide by 10.5 inches high. Half Page: Vertical â 5.164 inches or 3 columns in width by 21 inches in height.