Basketball is a team sport in which two teams of five players score points by shooting (throwing) a ball through an elevated hoop located on either side of the rectangular court. To advance the ball down the court, players must bounce the ball (dribble) or pass it to a teammate. Points can be earned by shooting a three-pointer (behind the three-point line), a two-point field goal (anywhere not beyond the three-pointer), or a one-point foul shot (after the referee determines a foul). Basketball requires considerable skills related to teamwork, accuracy, ball handling, speed, agility, size and strength. Basketball has become one of the world’s most popular sports.

How long is a basketball game?

The average NBA basketball game lasts between two and two and a half hours. Although there are only 48 total minutes of time on the clock in an NBA game, the regulation time is stopped often for fouls, timeouts, and when the ball is out of bounds.

What is a triple double in basketball?

A triple-double in basketball is a term used to describe the impactful performance of a player that achieved a double-digit number in three of the five statistical basketball categories of points, assists, rebounds, steals, and blocked shots.

How many periods are in basketball?

College basketball games are played with two 20 minute periods, while professional NBA basketball games consist of four quarters of 12 minutes each.

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Basketball
Dimensioned drawing showing the circumference and diameter of a professional Basketball

Basketball sizes come in variations for different ages, genders, and level of play. The official NBA and competitive professional basketball is 29.5” | 74.9 cm in circumference with a diameter between 9.43”-9.51” | 24-24.2 cm. Professional basketballs must be inflated to a pressure between 7.5-8.5 PSI and cannot exceed the maximum weight of 22 ounces. When choosing a basketball, consider whether the play environment will be primarily outdoor or indoor because indoor basketballs perform best as full-grain leather constructions and outdoor basketballs are better as rubber.

Basketball sizes come in variations for different ages, genders, and levels of play. The professional NBA basketball is 29.5” | 74.9 cm in circumference with a diameter between 9.43”-9.51” | 24-24.2 cm. Basketballs have a pressure between 7.5-8.5 PSI and cannot exceed a weight of 22 ounces.

Basketball
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Circumference: 29.5” | 74.9 cm
Diameter: 9.43”-9.51” | 24-24.2 cm.
Pressure: 7.5-8.5 PSI
Weight: 22 ounces (maximum)
Material (Indoor): Full-grain leather
Material (Outdoor): Rubber

Years Active

Drawings include:
Basketball elevation

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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 are orange painted goals attached to the backboard in a game of basketball. Basketball rims have an inner diameter of 18” | 45.72 cm. 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 & Nets
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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.

Years Active

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

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Kobe Bryant

Kobe Bryant was 6 foot 6 inches (1.98 m) tall.

Pair of dimensioned height drawings of Kobe Bryant at 6 foot 6 inches (1.98 m) tall

Kobe Bryant was 6 foot 6 inches (1.98 m) tall.

Pair of dimensioned height drawings of Kobe Bryant at 6 foot 6 inches (1.98 m) tall
Kobe Bryant
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6’6” | 1.98 m
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Birthday: August 23, 1978
Death: January 26, 2020 (41)

Years Active
1996-2016

Drawings include:
Kobe Bryant standing, standing (rest), dribbling, layup, jump shot

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Basketball Hoop & Backboard

In basketball, the basket is comprised of a hoop (net) attached to a flat backboard (vertical glass board). Regulation basketball hoops are suspended 10’ | 3.05 m from the playing surface and have a standard rim diameter of 18” | 46 cm. The vertical backboard surface is made of plexiglass or tempered glass to prevent shattering and is sized at 42” x 72” | 110 x 183 cm. Basketball rims are manufactured from high tensile carbon steel to provide the ball with the correct amount of bounce while also having give for players that can dunk.

Drawing of the side of a Basketball Hoop and Backboard with dimensions for rim height, backboard height, and rim diameter
In basketball, the basket is comprised of a hoop (net) attached to a flat backboard (vertical glass board). Regulation basketball hoops are suspended 10’ | 3.05 m from the surface with a rim diameter of 18” | 46 cm. The backboard surface is sized at 42” x 72” | 110 x 183 cm.

Drawing of the side of a Basketball Hoop and Backboard with dimensions for rim height, backboard height, and rim diameter
Basketball Hoop & Backboard
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Rim Height: 10’ | 3.05 m
Rim Diameter: 18” | 46 cm
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.)

Years Active

Drawings include:
Basketball Hoop & Backboard side elevation, side (players)

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Basketball Backboards
Drawing of a Regulation Basketball Backboard with dimensions for height and width

Basketball backboards are flat elevated vertical boards with mounted baskets, or rims, used to assist or return the basketball after a shot in a game of basketball. Commonly made of Plexiglas or tempered glass, backboards are designed to prevent shattering when a player dunks. 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
Fan Shaped Basketball Backboards are non-regulation backboards that are typically found on casual courts at playgrounds or indoor side courts. Fan Shaped Backboards are smaller than Regulation Rectangular Backboards and have widths of 54” | 137.2 cm and heights of 33” | 83.8 cm.

Collection of drawings of a Regulation Basketball Backboard illustrating the front, side, and plan views
Basketball backboards are flat elevated vertical boards with mounted baskets, or rims. 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. All rims are hung 10’ | 3.05 m above the court.

Collection of drawings of a Regulation Basketball Backboard illustrating the front, side, and plan views
Basketball Backboards
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Height: 48” | 121.9 cm
Width: 72” 182.9 cm
Height (Rim): 10’ | 3.05 m to court
Height (Inner Rectangle): 18” | 45.7 cm
Width (Inner Rectangle): 24” | 61 cm
Border (Outer): 3” | 7.6 cm
Border (Inner): 2” | 5 cm

Years Active

Drawings include:
Basketball Backboard front elevation (regulation), side, plan, front (fan shaped)

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