| Dimensions of an American Football Field (IFAF Rules) | |||||
| Last updated 2024 | 1 yard = | 0.9478 | 0.9144 | 0.8667 | |
| Dimension | Feet | Yards | Min yards | Metres | Min metres |
| Length between goal lines | 300.0 | 100.00 | 94.78 | 91.440 | 86.670 |
| Length between end lines | 360.0 | 120.00 | 113.74 | 109.728 | 104.004 |
| Length between limit lines (6ft minimum around) | 372.0 | 124.00 | 117.53 | 113.386 | 107.471 |
| Length between limit lines (12ft around) | 384.0 | 128.00 | 121.32 | 117.043 | 110.938 |
| Length between limit lines (18ft recommended around) | 396.0 | 132.00 | 125.11 | 120.701 | 114.404 |
| Length of shortened field (90yds) between goal lines | 270.0 | 90.00 | 85.31 | 82.296 | 78.003 |
| Length of shortened field (90yds) between end lines | 330.0 | 110.00 | 104.26 | 100.584 | 95.337 |
| Length of shortened field (90yds) between limit lines (6ft minimum around) | 342.0 | 114.00 | 108.05 | 104.242 | 98.804 |
| Length of shortened field (90yds) between limit lines (12ft around) | 354.0 | 118.00 | 111.84 | 107.899 | 102.271 |
| Length of shortened field (90yds) between limit lines (18ft recommended around) | 366.0 | 122.00 | 115.64 | 111.557 | 105.737 |
| Length of shortened field (90yds) with minimum end zones (7yds) between goal lines | 270.0 | 90.00 | 85.31 | 82.296 | 78.003 |
| Length of shortened field (90yds) with minimum end zones (7yds) between end lines | 312.0 | 104.00 | 98.57 | 95.098 | 90.137 |
| Length of shortened field (90yds) with minimum end zones (7yds) between limit lines (6ft around) | 324.0 | 108.00 | 102.37 | 98.755 | 93.604 |
| Length of shortened field (90yds) with minimum end zones (7yds) between limit lines (12ft around) | 336.0 | 112.00 | 106.16 | 102.413 | 97.070 |
| Width between sidelines | 160.0 | 53.33 | 50.55 | 48.768 | 46.224 |
| Width between coaching box lines (6ft outside each sideline) | 172.0 | 57.33 | 54.34 | 52.426 | 49.691 |
| Width between team area lines (12ft outside each sideline) | 184.0 | 61.33 | 58.13 | 56.083 | 53.158 |
| Width between limit lines (18ft recommended around) | 196.0 | 65.33 | 61.93 | 59.741 | 56.624 |
| Width between team area back lines (if at 24ft outside each sideline) | 208.0 | 69.33 | 65.72 | 63.398 | 60.091 |
| Distance between 5 yard lines | 15.0 | 5.00 | 4.74 | 4.572 | 4.334 |
| Distance between sideline and coaching box line | 6.0 | 2.00 | 1.90 | 1.829 | 1.733 |
| Distance between coaching box line and team area line | 6.0 | 2.00 | 1.90 | 1.829 | 1.733 |
| Normal size of end zone | 30.0 | 10.00 | 9.48 | 9.144 | 8.667 |
| Minimum depth of end zone | 21.0 | 7.00 | 6.63 | 6.401 | 6.067 |
| Distance from sideline to hash marks | 60.0 | 20.00 | 18.96 | 18.288 | 17.334 |
| Distance from sideline to 9yd marks | 27.0 | 9.00 | 8.53 | 8.230 | 7.800 |
| Height of number | 6.0 | 2.00 | 1.90 | 1.829 | 1.733 |
| Width of number | 4.0 | 1.33 | 1.26 | 1.219 | 1.156 |
| Height of crossbar | 10.0 | 3.33 | 3.16 | 3.048 | 2.889 |
| Width between goal uprights | 18.5 | 6.17 | 5.84 | 5.639 | 5.345 |
| Minimum height of uprights above crossbar | 20.0 | 6.67 | 6.32 | 6.096 | 5.778 |
| Width of line markings (4 inches) | 0.33 | 0.11 | 0.11 | 0.102 | 0.096 |
| Space between yard lines and sideline (4 inches) | 0.33 | 0.11 | 0.11 | 0.102 | 0.096 |
| Length of hashmarks | 2.0 | 0.67 | 0.63 | 0.610 | 0.578 |
| 1 yard | 3.0 | 1.00 | 0.95 | 0.914 | 0.867 |
| 1 foot | 1.0 | 0.33 | 0.32 | 0.3048 | 0.289 |
| 1 inch | 0.0833 | 0.0278 | 0.03 | 0.0254 | 0.024 |