Most football goal posts are made of some type of metal. Football goal posts for the NFL are made out of steel with a mixture of aluminum. Soccer goal posts are usually aluminum or plastic with a net in between the posts.
On the goal line
18.6 feet
The goal posts in the NFL and college are 18 feet, 6 inches apart. In high school, goal posts are 23 feet, 6 inches apart.
The goal post dimensions in Canadian football are the same as in American football. The goal posts are on the goal line. The hash marks are not in line with the uprights.
Soccer goal posts are 8 yards apart. Someone else care to document distance between American football posts?
PURPLE
Goal posts, commonly referred to as "uprights."
In the NFL, goal posts are 18 feet, 6 inches wide. The NCAA uses the same dimensions for their goal posts.
In the NFL and NCAA, goal posts are 6 inches wide. High school football fields usually use goal posts that are 4 inches wide.
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The height of the goalposts is 8 feet!