Dimensions
| Area | NBA | FIBA | WNBA | NCAA | U.S. H.S. | U.S. Junior H.S. | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Imperial | Metric | Imperial | Metric | Imperial | Metric | Imperial | Metric | Imperial | Metric | Imperial | Metric | ||
| Court length | 94 ft | 28.65 m | 91.86 ft | 28 m | Same as NBA | 84 ft | 25.60 m | 74 ft | 22.56 m | ||||
| Court width | 50 ft | 15.24 m | 49.21 ft | 15 m | Same as NBA | 42 ft | 12.80 m | ||||||
| Rim height | 10 ft | 3.05m | Same as NBA | ||||||||||
| Restricted arc radius | 4 ft | 1.22 m | 4.10 ft | 1.25 m | Same as NBA | 3 ft | 0.91 m | Nonexistent | |||||
| Center circle diameter | 12 ft | 3.66 m | 11.81 ft | 3.6 m | Same as NBA | ||||||||
| 3-point line distance from the basket | 23.75 ft 22 ft in corner* |
7.24 m 6.70 m in corner* |
22.15 ft 21.65 ft in corner* |
6.75 m 6.60 m in corner* |
20.52 ft | 6.25 m | 20.75 ft | 6.32 m | 19.75 ft | 6.01 m | Same as high school | ||
| Key (shaded lane or restricted area) width |
16 ft | 4.88 m | 16.08 ft | 4.9 m | Same as NBA | 12 ft | 3.66 m | Same as NCAA | |||||
| Free-throw line distance from point on the floor directly below the backboard | 15 ft | 4.57 m | 15.09 ft | 4.6 m | Same as NBA | ||||||||
* The NBA three-point line is 3 ft (0.91 m) from the sideline in a zone starting at the baseline and ending when it crosses the 23.75 ft (7.24 m) arc. The 22 ft (6.70 m) measurement applies only at a point where a line parallel to the baseline intersects the long axis of the court and the center of the basket.
* The FIBA three-point line is 2.95 ft (0.90 m) from the sideline in a zone starting at the baseline and ending when it crosses the 22.1 ft (6.75 m) arc. The 22 ft (6.60 m) measurement applies only at a point where a line parallel to the baseline intersects the long axis of the court and the center of the basket.
Read more about this topic: Basketball Court
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—Thomas Jefferson (1743–1826)
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—Doris Lessing (b. 1919)