18"
The official height of a basketball ring for professional games sanctioned by the Philippine Basketball Association (PBA) is 10 feet (3.05 meters) from the playing surface to the rim.
The rim is actually about twice the diameter of a regulation basketball. In the NBA, the official ball is made of leather and has a circumference of 30 inches (76 cm) and a diameter of 9 inches (23 cm).Which also means,the rim's diameter is 18 inches.
The standard diameter of a basketball rim is 45cm.
The basketball ring is 18 inches in diameter while the ball is nine inches in diameter.
Two basketballs can fit in the hoop so the ball is half the size of the rim
eighteen inches
The diameter of the rim is 45 cm so the radius stands at 22.5 cm.
18 inches
YES!! The diametor of the rim in 1968 is 10.2". The Diameter of the basketball in 1968 was 5".
The inside diameter of a standard basketball rim is 18 inches. This measurement is consistent across most levels of play, including the NBA and NCAA. The rim is designed to allow a basketball, which has a circumference of about 29.5 inches, to pass through easily when shot correctly.
In an official basketball competition event, like an approved NBA game, the rim is located 10 feet above the ground. The rim is attached to a backboard and the hoop is 18 inches in diameter.
A basketball hoop is 18" in diameter and the formula for circumference is pi x 18" (3.1415 x 18"=56.54866")