18.6 feet
In the NFL and NCAA, goal posts are 6 inches wide. High school football fields usually use goal posts that are 4 inches wide.
In the NFL, goal posts are 18 feet, 6 inches wide. The NCAA uses the same dimensions for their goal posts.
Goal posts in both the NFL and college football are 18 feet 6 inches apart. The goal posts in college used to be 23 feet 4 inches wide but were reduced to the same width as the NFL in 1991.
In the NFL, goal posts are 10 feet high and 18 1/2 feet wide.
The original American football field was 70 yards wide, but that was long before the days of the NFL. The width of the NFL field has never changed, because the standard width of 53 1/3 yards was in place before the league came into existence.
It depends on the level of play you're asking about. At the high school level, the goal posts are 10' high and 23' 4" wide. On both the collegiate and professional levels, the only difference from high school is that the goalposts are 18' 6" wide.
The height of the crossbar is 10 ft. And the width between the goal posts is 18 ft. 10 inches
It is eight yards wide.
53.3 yards
Assuming you're talking about a missed field goal attempt in American football, the usual term is "no good," accompanied by "wide right," "wide left" or "short." However, "missed field goal" is also acceptable language, and sometimes that phrase is used in a box score or a stat sheet.
Most posts are set at the standard 10' from high school to the pros.