A NBA regulation backboard is 72" wide x 42" high
A regulation backboard in the NBA has the dimensions 6 ft x 3.5 ft.
The dimensions for a rounded basketball backboard in the NCAA is only slightly different than the dimensions for a rounded basketball backboard in the NBA. NCAA regulations allow the basketball backboard to be 4 feet high,Êwhile the NBA requires that the basketball backboard be no more than 3 1/2 feet high.
A Basketball Backboard is 72 inches long.
4 feet by 4 feet
Approximately $400
300
From end-line to end-line it is 94'. From backboard to backboard it is 86'.
Leather
The backboard of a basketball goal is typically 1.80 meters by 1.05 meters in area. The diameter of the rim of the basket is 0.45 meters.
The link has the official rules for the NBA.
A regulation NBA basketball court is 94' long by 50' wide.