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A regulation football field measures 120 yards long (360 feet) and 53 1/3 yards wide (160 feet), whether you're looking at an NFL, NCAA, or NFHS high school field. That total length includes 100 yards of playing field plus two 10-yard end zones. The total playing surface covers 57,600 square feet, or about 1.32 acres.
A football field is 120 yards long from end line to end line. That breaks down into 100 yards of playing field (marked with yard lines every 5 yards and numbers every 10 yards) plus a 10-yard end zone on each end. The field is 53 1/3 yards wide. This is the standard used at the NFL, NCAA, and NFHS high school levels — the dimensions don't change based on level of play.
In feet, a regulation field is 360 feet long and 160 feet wide, covering 57,600 square feet (about 1.32 acres) of playing surface. Facility managers and contractors laying out a field or ordering fencing, netting, or turf typically work in feet, so it's worth keeping both units handy.
High school football field dimensions (NFHS rules) match the overall footprint used at every level: 120 yards long by 53 1/3 yards wide. Where high school fields differ is the hash marks and goalpost width. NFHS hash marks sit 53 feet 4 inches from each sideline, spaced 53 feet 4 inches apart — this divides the field into thirds. High school goalpost uprights are set 23 feet 4 inches apart, wider than NFL or NCAA posts, with a crossbar 10 feet above the ground and uprights extending at least 20 feet above the crossbar.
College football field dimensions (NCAA rules) also use the 120-yard by 53 1/3-yard footprint. NCAA hash marks are 60 feet from each sideline, 40 feet apart. Goalpost uprights are 18 feet 6 inches apart — narrower than high school posts — with a 10-foot crossbar height and uprights extending at least 30 feet above the crossbar. NCAA and NFL both use a 6-foot restraining line (team box boundary) measured from the sideline.
NFL fields share the same 120-yard by 53 1/3-yard overall size. NFL hash marks are the narrowest of the three levels: 70 feet 9 inches from each sideline, leaving 18 feet 6 inches between them, aligned directly with the goalposts. NFL goalpost uprights are also 18 feet 6 inches apart, matching the hash mark spacing, with a 10-foot crossbar and uprights extending 35 feet above the crossbar — the tallest posts of the three levels.
| Spec | NFL | NCAA (College) | NFHS (High School) |
|---|---|---|---|
| Total length | 120 yd (360 ft) | 120 yd (360 ft) | 120 yd (360 ft) |
| Width | 53 1/3 yd (160 ft) | 53 1/3 yd (160 ft) | 53 1/3 yd (160 ft) |
| Total area | 57,600 sq ft (~1.32 acres) | 57,600 sq ft (~1.32 acres) | 57,600 sq ft (~1.32 acres) |
| Hash marks from sideline | 70 ft 9 in | 60 ft | 53 ft 4 in |
| Distance between hash marks | 18 ft 6 in | 40 ft | 53 ft 4 in |
| Goalpost upright width | 18 ft 6 in | 18 ft 6 in | 23 ft 4 in |
| Crossbar height | 10 ft | 10 ft | 10 ft |
| Upright height above crossbar | 35 ft | 30 ft (min) | 20 ft (min) |
| Team box / restraining line | 6 ft from sideline | 6 ft from sideline | varies by league |
Flag football field dimensions are much smaller than tackle football. NFL FLAG (5v5) fields measure 70 yards by 30 yards, including two 10-yard end zones — that leaves 50 yards of playing field. 7v7 flag fields commonly use a larger 80 yard by 40 yard footprint. Youth football programs (commonly ages 6-9) often use an 80-yard field: 60 yards of playing field plus two 10-yard end zones, at 40 yards wide.
| Field type | Total length | Playing field | Width |
|---|---|---|---|
| NFL FLAG 5v5 | 70 yd | 50 yd (+ two 10 yd end zones) | 30 yd |
| 7v7 Flag (common) | 80 yd | 60 yd (+ two 10 yd end zones) | 40 yd |
| Youth (ages 6-9, common) | 80 yd | 60 yd (+ two 10 yd end zones) | 40 yd |
| Canadian football | 150 yd | 110 yd (+ two 20 yd end zones) | 65 yd |
| NFL / NCAA / NFHS | 120 yd | 100 yd (+ two 10 yd end zones) | 53 1/3 yd |
Before you lay out a full-size field, plan for more than just the 360 ft by 160 ft playing surface. NFL and NCAA rules call for a 6-foot restraining line (team box boundary) measured from each sideline, so factor in extra width beyond the 160-foot field for sideline personnel and equipment. Goalposts sit on the end line at the back of each end zone, and upright height varies significantly by level — 35 feet above the crossbar at the NFL level down to a 20-foot minimum in high school — so vertical clearance behind each end zone should account for the tallest posts you plan to install. If you're building a flag or youth field instead, the much smaller footprints (as small as 70 yd x 30 yd for 5v5 flag) make it realistic to fit a field on a smaller property, but always confirm end zone depth and width against your league's specific rules before marking lines.
Dimensions and markings referenced here reflect rules published by the NFL, the NCAA, and NFHS (National Federation of State High School Associations), which govern professional, college, and high school football fields respectively in the United States.
Outfitting a field or practice facility? Browse football for general field equipment, professional-goalposts-and-padding for goalpost and padding options built for higher levels of play, football-field-goalposts-padding for full field goalpost and padding setups, and football-lineman-chutes for practice chutes used in line drills.
120 yards long (including two 10-yard end zones) and 53 1/3 yards wide. This applies to NFL, NCAA, and NFHS high school fields.
360 feet long and 160 feet wide, covering 57,600 square feet (about 1.32 acres).
Same overall size as NFL and college: 120 yards by 53 1/3 yards. Hash marks are 53 ft 4 in from each sideline, and goalpost uprights are 23 ft 4 in apart.
120 yards by 53 1/3 yards, same as NFL and high school. NCAA hash marks are 60 feet from each sideline, and goalpost uprights are 18 ft 6 in apart.
NFL FLAG 5v5 fields are 70 yards by 30 yards, including two 10-yard end zones. 7v7 flag fields commonly use 80 yards by 40 yards.
Yes, all three use a 120-yard by 53 1/3-yard field. The differences are in hash mark placement and goalpost upright width/height.
The crossbar is 10 feet above the ground at all levels. Uprights extend 35 feet above the crossbar in the NFL, at least 30 feet in the NCAA, and at least 20 feet in high school.
