Regulation basketball backboards have a width of 72” | 183 cm and a height of 42” | 110 cm with an inner rectangle that is 24” | 61 cm wide and 18” | 45.7 cm tall. For casual non-regulation courts, smaller Fan-Shaped Backboards are often used. Basketball rims are hung 10’ | 3.05 m above the court floor. Fan-Shaped Backboard
According to both organizations, the basketball backboard must be a flat, transparent board that is 6 feet wide. The NBA allows only one height, 3 1/2 feet. However, although the NCAA regulations favor a 3 1/2-foot height, 4 feet is allowed.
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The dimension requirements listed by the NBA, NCAA and High School are all the same. The regulation size for a basketball backboard is 42" tall x 72" wide. However, a 48" tall backboard is also permissible.
One of the most important things you will need to consider is what size backboard you will need for your new basketball court. Backboard sizes vary in width from 48” wide all the way up to 72”, but for the sake of regular game play we recommend choosing backboard no smaller than 54” wide. Anything narrower than this measurement won’t allow the player to perform bank shots at all!
Backboard Height: 42” | 110 cm Backboard Width: 72” | 183 cm Backboard Area: 21 ft2 | 1.95 m2 Inner Backboard Rectangle: 18”x 24” | 46 x 61 cm Material (Backboard): Plexiglas, tempered glass Material (Rim): High tensile carbon steel (5/8” diam.)::
The backboard shall be a rectangle measuring 6’ horizontally and 3 ½’ vertically. The front surface shall be flat and transparent. A transparent backboard shall be marked with a 2” white rectangle...
Dimensions. According to Section II of the National Basketball Association rule book, a transparent backboard must be marked with a 2-inch-wide white rectangle centered behind the ring. The rectangle must have outside dimensions of 24 inches horizontally and 18 inches vertically. The base of the rectangle must be level with the basketball ring.
The lines of the square must be white, 2 inches in width and centered above the rim. As per NBA rules, the entire backboard must measure 3.5 feet vertically and 6 feet horizontally, but the NCAA does permit 4-foot-high boards.