Football Field Dimensions
Every football field is 120 × 53⅓ yards — 360 × 160 feet. What differs between the NFL, college and high school is what's painted inside it: where the hash marks fall, how wide the goal posts are, where the numbers sit. One measured sheet per level, plus 8-man, Canadian and both flag-football fields.
NFL, college and high school.
Same 360 × 160 ft outline on all three. The hash marks are the number that actually changes — 18 ft 6 in, 40 ft, 53 ft 4 in — and each sheet draws its own.
NFL vs. college vs. high school
If you only remember one row, make it the hash marks. They decide where the ball is spotted after a play near the sideline, which is why the college and pro games feel different in the middle of the field.
| Measurement | NFL | College (NCAA) | High school (NFHS) |
|---|---|---|---|
| Field size | 120 × 53⅓ yd | 120 × 53⅓ yd | 120 × 53⅓ yd |
| Hash marks apart | 18 ft 6 in | 40 ft | 53 ft 4 in |
| Hash marks from sideline | 70 ft 9 in | 60 ft | 53 ft 4 in |
| Goal-post width | 18 ft 6 in | 18 ft 6 in | 23 ft 4 in |
| Yard numbers (6 × 4 ft) | Bottom 12 yd from sideline | Top 9 yd from sideline | Top 9 yd from sideline |
| Team area | Between the 32s | Between the 25s | Between the 25s |
Crossbar 10 ft at every level; end zones 10 yd deep; lines 4 in wide. Texas (UIL) high schools use the college hash spacing.
8-man, Canadian and flag.
The fields people ask about that aren't a standard 11-player gridiron — each on its own measured sheet, with the governing body named on it.
Reading a football field
Start with the two goal lines, 100 yards apart, and the 10-yard end zone behind each. Every 5 yards a line crosses the full width; every single yard a 2-ft mark sits just inside each sideline and again at the two hash lines. The numbers — 6 ft tall, 4 ft wide — run every 10 yards, and each row is painted to read upright from its own sideline, which is why one row is upside down from the air.
The hash marks are the piece worth understanding. When a play ends outside them, the ball comes back in to the nearest hash for the next snap. The narrower the hashes, the closer to the middle every play starts — which is the whole reason the NFL squeezed its own to the width of the goal posts in 1972, and why a college quarterback sees so much more “wide side” of the field.
What are the dimensions of a football field?
Are high school, college and NFL football fields the same size?
How far apart are the hash marks on a football field?
How big is a flag football field?
How big is an 8-man football field?
How big is a Canadian football field?
Is a football field bigger than a soccer field?
What are the dimensions of a football field in meters?
How big are football goal posts?
Measurements from NFL Rule 1, NCAA Rule 1-2, NFHS Rule 1-2 (11- and 8-player), the CFL rule book, and the NFL FLAG, NFHS girls’ flag, FHSAA and NIRSA flag rules. Updated through September 2026.
