The regulation dimension for the circular metal rim through which basketball players must shoot the ball in the National Basketball Association (NBA) is 18 inches in diameter. This fixed measurement has remained constant throughout the league’s history, establishing a standardized target for all competitors. It’s positioned 10 feet above the court’s surface.
Maintaining a consistent target diameter is crucial for fair competition and accurate skill assessment within the NBA. It allows players to develop and refine their shooting techniques, knowing they are aiming for a universally recognized size. Historically, this standardization has helped contribute to the sport’s global popularity and the ability to compare players across different eras.