An American football field is 120 yards long including two 10-yard end zones, and 53⅓ yards (160 feet) wide. The playing field between goal lines is 100 yards.
Main measurements
| Feature | Measurement |
|---|---|
| Total length | 120 yards (360 ft) |
| Field of play | 100 yards between goal lines |
| End zones | 10 yards deep each |
| Width | 53⅓ yards (160 ft) |
| Yard lines | Every 5 yards, numbered every 10 |
Hash marks by level
| Level | Distance between hashes |
|---|---|
| NFL | 18 ft 6 in (same as the goalpost width) |
| College | 40 ft |
| High school | 53 ft 4 in (field split into thirds) |
Goalposts
| Level | Upright width | Crossbar height |
|---|---|---|
| NFL and college | 18 ft 6 in | 10 ft |
| High school | 23 ft 4 in | 10 ft |
Goalposts stand on the end line at the back of each end zone. Check the NFL, NCAA or NFHS rulebook for full specifications.
Frequently asked questions
How big is a football field in acres?
About 1.32 acres including end zones.
Why are NFL hash marks narrower?
Narrow hashes keep the ball closer to the middle of the field.
How wide are the goalposts?
18 ft 6 in in the NFL and college, 23 ft 4 in in high school.






