A free throw lane, 12 feet wide measured to the outside of each lane boundary, shall be marked at each end of the court with dimensions and ... 6' horizontally and 3 1/2' vertically.

A competitive basketball ... long and 15.2 m (50 ft) wide, while youth courts should be 26 m (84 ft) long and 15 m (50 ft) wide. Although the court has no definite size, the inner markings are ...