The size of a basketball backboard depends on the model type of the backboard and what it is being used for. The dimensions of a basketball backboard are typically measured in inches and are normally defined by their width. These goals come in an assortment of sizes which are also dictated by designed level of play they are intended for.
Designs
There are two basic designs for a basketball backboard. The rectangular design is typically the standard for professional and collegiate play. This design allows for more bank shots due to a bigger backboard size. The other design is a fan shaped backboard that is typically smaller and does not allow for as many bank shots. The fan shaped goals are used for more recreational purposes and are less expensive than their rectangular counterparts.
Rectangular Dimensions
The typical dimensionality of rectangular goals varies; however, the standard widths are 24, inc. 42 in., 44 in., 48 in., 54 in., 60 in. and 72 inches. The NBA regulation size goal is transparent 24 in. width by 18 in. height. The backboard also has a thickness of 2 inches.
Fan Shaped Dimensions
Fan shaped boards also have the same width dimensions available to select from as the rectangular boards. The fan shaped board has two parallel edges which create the width of the board. This widest part is also in line with the rim of the hoop to help with visual accuracy of shooting. The bottom of the parallel edges round quickly and form a small angle back underneath the hoop. A semi-lunar, or semi-circular, edge connects the top of each of the two parallel lines to each other on the board. Another way to describe the fan shaped board is to envision a half circle, connected to a rectangle with a triangle underneath as one whole piece.
Considerations
Training on smaller dimensional goals and those of the fan shape allow you to hone your reliance on using the rim as the marker for your shot instead of the backboard. The larger, rectangular backboard allows you to learn how to use different angles to shoot and successfully score baskets. In highly competitive environments, such as the professional and collegiate level, your shot may need to use the backboard to avoid defender interference from scoring. Ultimately, the choice for younger players should be to use the goal that best trains their weakest skill. This means fan shaped for those who aren't accurate shooters and a rectangular goal for those who need to enhance their shooting game with angled shots. Professionals should typically train on a rectangular backboard as it is the standard for regulation play.
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