Basketball Rims & Nets

Illustration of a basketball player (James Harden) dunking on a regulation Basketball Rim with dimensions

Basketball rims, or hoops, are orange painted goals attached to the backboard and used for scoring points in a game of basketball. Basketball rims today are designed as breakaway rims comprised of a hinge and spring that allow the rim to bend when a player dunks without shattering the backboard. The rim itself is made of a 5/8” | 1.6 cm steel diameter steel rod that is formed into a ring with an inner diameter of 18” | 45.72 cm. Basketball nets are hung from the bottom of the rim with lengths between 15”-18” | 38.1-45.7 cm. Basketball rims are mounted 10’ | 3.05 m from the court floor.

Pair of drawings of a Basketball Rim and Net in side and plan views with dimensions for rim diameter and net length

Basketball rims, or hoops, are orange painted goals attached to the backboard and used for scoring points in a game of basketball. Basketball rims today are designed as breakaway rims comprised of a hinge and spring that allow the rim to bend when a player dunks without shattering the backboard. The rim itself is made of a 5/8” | 1.6 cm steel diameter steel rod that is formed into a ring with an inner diameter of 18” | 45.72 cm. Basketball nets are hung from the bottom of the rim with lengths between 15”-18” | 38.1-45.7 cm. Basketball rims are mounted 10’ | 3.05 m from the court floor.

Diagram drawing measuring and comparing the size of a basketball to the size of a basketball hoop with ratio
Common Questions
How wide is a Basketball Rim?
Basketball rims have an inner clear diameter of 18” | 45.72 cm.
What is the size of a basketball compared to the rim?
Compared to the clear area of the basketball rim, a regulation basketball is 27% of the size of the opening.
How low does a basketball net hang?
Basketball nets hang 15”-18” | 38.1-45.7 cm below the rim.

Details

*Under Development*

Diameter (Rim): 18” | 45.72 cm inner
Diameter (Steel): 5/8” | 1.6 cm
Distance from Backboard: 6” | 15.1 cm
Height (Rim): 10’ | 3.05 m to court
Net Length: 15”-18” | 38.1-45.7 cm below rim
Basketball to Rim Ratio: Compared to the clear area of the basketball rim, a regulation basketball is 27% of the size of the opening.

Drawings include:
Basketball Rim & Net side elevation (basketball player - James Harden), side (detail), plan, plan (basketball)

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