Basketball Court Measurements by League

By Emma Wilson · July 14, 2029

Basketball Court Measurements: Key Dimensions at a Glance

Basketball court measurements vary by league and level of play, but a standard NBA court is 94 feet long by 50 feet wide. High school courts are typically 84' x 50', while FIBA international courts measure 91.86' x 49.21'. The three-point line ranges from 22' to 23'9" in the NBA, and 22'1.7" in FIBA. The rim is consistently 10 feet high across all levels.

Overview of Basketball Court Sizes by League

Basketball courts are designed to meet specific standards depending on the governing body or competition level. Understanding these differences is essential for players, coaches, architects, and facility managers involved in court construction or event planning.

Standard Court Dimensions Across Major Leagues

NBA: 94 ft (28.65 m) long × 50 ft (15.24 m) wide
NCAA (College): 94 ft × 50 ft, same as NBA
High School (NFHS): 84 ft (25.6 m) × 50 ft (15.24 m)
FIBA (International): 28 m (91.86 ft) × 15 m (49.21 ft)
Junior High: Often 74 ft × 42 ft, though not standardized nationally

Key Zones and Markings on a Basketball Court

The layout of a basketball court includes several critical zones that influence gameplay, strategy, and officiating. These include the free-throw line, three-point arc, key (or paint), center circle, and sidelines.

Breakdown of Essential Court Markings

Free-Throw Line: 15 feet from the backboard in all major leagues
Rim Height: Uniformly 10 feet (3.05 m) above the floor
Three-Point Line: Varies by league; measures from the center of the basket
Restricted Area Arc: 4-foot radius around the basket to prevent defensive charging
Center Circle: 12 feet in diameter for jump balls
Key (Paint): 16 ft wide in NBA/FIBA; 12 ft in high school

Detailed Comparison of Basketball Court Dimensions

League	Length (ft)	Width (ft)	Three-Point Distance (Corner)	Three-Point Distance (Arc Center)	Free-Throw Line to Backboard	Key Width	Rim Height
NBA	94	50	22'	23'9"	15'	16'	10'
NCAA Men	94	50	20'9"	20'9"	15'	12'	10'
NCAA Women	94	50	20'9"	20'9"	15'	12'	10'
High School	84	50	19'9"	19'9"	15'	12'	10'
FIBA	91.86	49.21	21'8"	22'1.7"	15'	16'	10'

Table data source:1, 2, 3

The data shows that while rim height remains consistent globally, court size and three-point distance differ significantly. The NBA has the deepest three-point line, especially at the top of the arc, which affects shooting strategy. FIBA courts are slightly smaller overall, influencing spacing and transition speed in international play.

Notably, NCAA and high school courts use shorter three-point lines, making outside shooting more accessible at younger competitive levels. The narrower key in college and high school contrasts with the wider paint in professional leagues, impacting post play and defensive schemes.

Common Questions About Basketball Court Measurements

How big is a full-size basketball court in square feet?

A full-size NBA or NCAA basketball court measures 94 feet by 50 feet, totaling 4,700 square feet. High school courts are slightly smaller at 84' x 50', covering 4,200 square feet. FIBA courts are 91.86' x 49.21', equating to approximately 4,521 square feet.

What is the distance of the three-point line in the NBA?

In the NBA, the three-point line is 22 feet from the basket at the corners and extends to 23 feet, 9 inches at the top of the arc. This measurement is taken from the center of the basket to the outside edge of the line.

Are college and NBA courts the same size?

Yes, both NCAA and NBA courts are 94 feet long and 50 feet wide. However, the three-point line is closer in college—20 feet, 9 inches—compared to the NBA’s 23 feet, 9 inches at the top of the arc. The key area is also narrower in college at 12 feet versus 16 feet in the NBA.

How high is a basketball hoop?

A regulation basketball hoop is 10 feet (3.05 meters) above the ground. This height is standardized across all levels of play, including youth leagues, high school, college, professional, and international competitions.

Can a backyard basketball court be smaller than regulation size?

Yes, backyard or recreational courts can be any size depending on space and purpose. Common half-court dimensions are 47' x 50' for NBA scale or 42' x 50' for high school scale. Even smaller courts, like 30' x 30', are suitable for driveways and youth practice.