How Big Is a Half Court in Basketball? Full Dimensions by Level

By Sarah Miller · January 1, 2050

A half basketball court size varies by level of play, but in the NBA, a half-court measures 47 feet long by 50 feet wide. This is exactly half the full court dimension of 94 x 50 feet. College and high school courts differ slightly, with NCAA men’s half-courts at 42 feet long and high school at 42 feet as well, though width remains consistent at 50 feet. International FIBA rules specify a half-court of 47 feet by 50 feet, matching the NBA.

Understanding Half Court Dimensions in Basketball

The size of a half basketball court depends on the governing league or organization. While all full courts are divided evenly into two halves, the actual measurements vary between professional, collegiate, scholastic, and international standards. Knowing these dimensions is essential for players, coaches, facility planners, and fans alike.

Why Half Court Size Matters

Determines spacing and player movement during offensive and defensive plays
Impacts game strategy, especially in end-of-game situations
Influences shot clock and timing decisions in half-court sets
Affects design and construction of indoor and outdoor basketball facilities
Crucial for accurate court markings and regulation compliance

NBA Half Court Dimensions

The National Basketball Association (NBA) uses a full court size of 94 feet by 50 feet. Therefore, the half-court measures 47 feet in length and 50 feet in width. This space includes the baseline, three-point line, free-throw lane, and center court area when applicable.

The NBA three-point line ranges from 22 feet in the corners to 23.75 feet at the top of the arc, affecting spacing within the half-court offense. The paint (or key) is 16 feet wide, providing a standardized interior zone for post play and drives.

College and High School Half Court Sizes

NCAA Men's Basketball

NCAA men’s basketball courts are slightly shorter than NBA courts. A full court measures 94 feet by 50 feet, making the half-court dimension 47 feet long, same as the NBA. However, the three-point line is set at 22 feet 1.75 inches until the 2021–22 season, after which it was extended to match the FIBA distance of 22 feet 1.75 inches at the corners and 22 feet 9 inches at the top.

NCAA Women's and High School Courts

NCAA women’s basketball also uses a 94 x 50 foot court, so the half-court is again 47 feet long. In contrast, most high school basketball courts follow NFHS guidelines with a full court size of 84 feet by 50 feet, resulting in a half-court of 42 feet by 50 feet. The three-point line is typically 19 feet 9 inches from the basket.

FIBA International Half Court Measurements

FIBA (International Basketball Federation), which governs global competitions like the Olympics and World Cup, specifies a full court size of 28 meters by 15 meters — approximately 91.86 feet by 49.21 feet. This results in a half-court measuring about 45.93 feet long by 49.21 feet wide. The three-point line is set at 6.75 meters (22 feet 1.75 inches) at the corners and 7.24 meters (23 feet 9 inches) at the top of the arc.

Organization	Full Court Length (ft)	Full Court Width (ft)	Half Court Length (ft)	Half Court Width (ft)	Three-Point Distance (Top)	Key/Paint Width (ft)
NBA	94	50	47	50	23′ 9″	16
NCAA Men	94	50	47	50	22′ 1.75″	12
NCAA Women	94	50	47	50	22′ 1.75″	12
High School (NFHS)	84	50	42	50	19′ 9″	12
FIBA	91.86	49.21	45.93	49.21	23′ 9″	16.08

Table data source:1, 2, 3, 4

The data shows that while the NBA and NCAA share the same half-court length of 47 feet, high school courts are significantly shorter at 42 feet. FIBA courts fall between NBA and high school in length. Width differences are minimal, with most leagues close to 50 feet. The three-point arc and paint size also vary, influencing offensive strategies across levels.

Half Court in Gameplay and Strategy

Most organized basketball games transition into half-court play after the initial possession or following a made basket. Teams use structured offenses and defenses within this confined space, making spatial awareness critical.

Common Half-Court Offensive Strategies

Spread pick-and-roll: Uses floor spacing and ball screens to create mismatches
Princeton offense: Relies on constant motion, backdoor cuts, and passing
Triangle offense: Forms triangular player positioning to overload one side
Isolation plays: Designed to get elite scorers one-on-one opportunities
High-low action: Involves coordination between high post and low post players

Defensive Setups in the Half Court

Man-to-man defense: Each player guards an assigned opponent
Zone defense: Players cover specific areas rather than individuals
Box-and-one: Four players in a zone, one in man-to-man on a star player
Match-up zone: Hybrid system combining elements of both man and zone
Press defense: Applied after inbound, often from half-court line

Half Court in Recreational and Outdoor Settings

Many outdoor and recreational courts are built as half-courts due to space and cost efficiency. These often measure 47 x 50 feet to mimic NBA standards, even if not regulation size. Some portable systems and backyard installations may be smaller, around 35–40 feet in length, but still support fundamental drills and 3-on-3 play.

3x3 basketball, recognized by FIBA and included in the Olympics since 2020, is played on a half-court with a single basket. The official 3x3 court measures 15 meters by 11 meters (approximately 49.2 x 36.1 feet), slightly narrower than traditional half-courts but using the same key and arc dimensions.

Frequently Asked Questions About Half Court Basketball

How big is a half court in basketball?

A standard NBA half court is 47 feet long by 50 feet wide. High school half-courts are typically 42 feet by 50 feet, while FIBA half-courts measure approximately 45.93 feet by 49.21 feet.

What are the dimensions of a half court in feet?

NBA and NCAA half-courts are 47 feet long and 50 feet wide. High school courts are 42 feet long by 50 feet wide. FIBA half-courts are about 45.93 feet long and 49.21 feet wide.

Is a half court 47 feet long?

Yes, in the NBA and NCAA, a half court is 47 feet long. However, high school half-courts are shorter at 42 feet, based on an 84-foot full court length.

Can you play basketball on a half court?

Absolutely. Most offensive and defensive sets occur in the half-court. Games like 3-on-3 and FIBA 3x3 are specifically designed for half-court play and use modified rules.

What is the size of a half basketball court in 3x3 basketball?

The official FIBA 3x3 half-court is 15 meters long by 11 meters wide (49.2 x 36.1 feet). It uses a single basket and has a 12-meter (39.4 feet) straight three-point line.

How wide is a half basketball court?

All standard half basketball courts are 50 feet wide, including NBA, NCAA, and high school levels. FIBA courts are slightly narrower at 49.21 feet (15 meters).