A standard American football field is 120 yards long in total, which includes the playing field and the two end zones. The playing field itself, between the goal lines, is 100 yards long , and each end zone adds 10 yards on either side, making the full length 120 yards. The width of the field is 53.3 yards (160 feet) wide

. To summarize:

• Total length (including end zones): 120 yards
• Length of playing field (between goal lines): 100 yards
• Width: 53.3 yards

This size applies to high school, college, and professional levels of American football