Question: What is the radius of a basketball hoop?

International Rules. The International Basketball Federation official rules specify that the rim has a minimum inside diameter of 450 millimeters and a maximum of 459 millimeters. This approximates to 17.7 to 18 inches, in which case the rim radius is about the same as the NBA standard 9-inch radius.

What is the diameter of a basketball hoop?

All basketball rims (hoops) are 18 inches (46 cm) in diameter. The inner rectangle on the backboard is 24 inches (61 cm) wide by 18 inches (46 cm) tall, and helps a shooter determine the proper aim and banking for either a layup or distance shot.

What does radius mean in basketball?

FIBA Basketball Court Dimensions

FIBA courts are an even 28 meters long, which converts to almost 92 feet. The 15-meter width converts to just over 49 feet. The tip-off circle is a bit smaller as well, at 3.5 meters in diameter. This difference translates to a radius of about five feet, seven inches.

What is the diameter of a size 7 basketball ring?

Basketball Ring 7 Size with 4 mm net 21 inch Diameter and nut Bolt Color : Sports, Fitness & Outdoors.

What is the diameter of basketball ring in CM?

RAISCO Diameter 46 cm Basketball Ring With Net Ball Size – 7 Basketball Ring (7 Basketball Size With Net)

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How far is 3pt line?

Though the distances differ between all levels of basketball, the 3-point line is universal. The NBA has a 22-foot 3-point line in the corners and a 23-foot, 9-inch line elsewhere. The WNBA and the international game plays with a 20-foot, 6-inch line.

How far is the free throw line from the hoop?


Area NBA
3-point line distance from the basket 23.75 ft 22 ft in corner
Key (shaded lane or restricted area) width 16 ft
Free-throw line distance from point on the floor directly below the backboard 15 ft

How far is the college 3-point line?

The NCAA Playing Rules Oversight Panel approved changes to the 3-point line that sees the distance moving to 22 feet, 1 ¾ inches, matching that of the international distance. This is a move back from the previous collegiate distance of 20 feet, nine inches.

Is the NBA rim 12 feet?

The rims have always been 10-feet high since James Naismith posted 13 rules for a game he called “Basket Ball” in a Springfield, Mass., YMCA gym in 1891. The average height for men during that time, however, was 5-foot-6. Now, your average NBA player is 6-foot-7.

What is the diameter of a size 6 basketball?


Size Type Circumference
7 Men 750–770 mm 29.5–30.3 in
6 Women 715–730 mm 28.1–28.7 in
5 Youth (North America) Mini (FIBA) 685–700 mm 27.0–27.6 in
4 Youth (North America) 25.5 in (65 cm)