The Length Of Basketball's 3-Point Line

how big is a 3 point line in basketball

The three-point line in basketball is a line on a basketball court that forms an arc at a set distance from the basket. The distance from the basket to the three-point line varies depending on the competition level and the specific league or organization. For example, in the National Basketball Association (NBA), the three-point line is 23 feet 9 inches (7.24 m) from the center of the basket, while in the Women's National Basketball Association (WNBA) and the International Basketball Federation (FIBA), the three-point line is 22 feet 1.75 inches (6.75 m) from the center of the basket. The three-point line has had a significant impact on the game, adding excitement and providing a weapon for players and teams.

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The three-point line varies by competition level

The three-point line in basketball varies depending on the competition level. The National Basketball Association (NBA) has its three-point arc at 23 feet 9 inches (7.24 meters) from the basket's center. On the other hand, the International Basketball Federation (FIBA), Women's National Basketball Association (WNBA), National Collegiate Athletic Association (NCAA), and National Association of Intercollegiate Athletics (NAIA) adhere to an arc distance of 6.75 meters (22 feet 1.75 inches) from the basket's center.

The National Federation of State High School Associations (NFHS) employs a shorter arc of 19 feet 9 inches (6.02 meters) from the center of the basket. This variation in distance creates a strategic dynamic where players can exploit the corners of the court for three-point attempts. The NBA and WNBA share a common sideline distance of 3 feet (0.91 meters) from the three-point line, resulting in a minimum distance of 22 feet (6.7 meters) from the basket's center.

The evolution of the three-point line has been a dynamic process. The American Basketball League (ABL) introduced the concept in 1961, with the initial distance set at 25 feet (7.62 meters). However, the ABL owners later voted to shorten the line to 22 feet. The NBA, seeking to address scoring issues in the 1990s, experimented with a uniform 22-foot arc around the basket but eventually reverted to the original distance before the 1997-98 season.

The three-point line has been a subject of debate among basketball enthusiasts, with critics arguing that it has made the game one-dimensional and less exciting. Suggestions for rule changes have included moving or removing the three-point line, altering the scoring system, or remodeling the court to encourage more diverse offensive strategies. Despite these discussions, the three-point shot remains an integral and influential aspect of modern basketball.

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The three-point line in the NBA

The three-point line was first introduced in 1961 by the American Basketball League (ABL) commissioner, Abe Saperstein. Saperstein wanted to increase the excitement of the game and set his league apart from the more prominent NBA. He collaborated with DePaul University coach Ray Meyer to determine the ideal distance for the line, and they settled on 25 feet (7.62 meters). However, the other ABL owners later voted to shorten the line to 22 feet.

The NBA adopted the three-point line in the 1979-80 season, and it has since become an integral part of the game. The league experimented with shortening the distance to increase scoring from 1994 to 1997 but ultimately reverted to the original distance for the 1997-98 season.

The three-point line has evolved into a critical element of NBA strategy, with teams increasingly recognizing its value. While some critics argue that the emphasis on three-pointers may discourage players from attempting closer-range shots, data suggests that the share of shots in the paint remains relatively unchanged. The 2024-25 NBA season saw a record number of three-point attempts, showcasing the enduring appeal of this high-value shot in modern basketball strategy.

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The three-point line in FIBA, WNBA, NCAA, NAIA

The distance from the basket to the three-point line varies depending on the competition level. The three-point line in FIBA, WNBA, NCAA, and NAIA is discussed below.

FIBA

The International Basketball Federation (FIBA) introduced the three-point line in 1984, with an arc of 6.25 m (20 ft 6 in) from the center of the basket. In 2008, FIBA announced that the distance would be increased by 50 cm (19.7 in) to 6.75 m (22 ft 1+3⁄4 in), with the change phased in from October 2010. FIBA specifies the arc's minimum distance from the sideline as 0.9 meters (2 ft 11 in), resulting in a minimum distance from the center of the basket of 6.6 meters (21 ft 8 in).

WNBA

The Women's National Basketball Association (WNBA) has an arc of 6.75 m (22 ft 1.75 in) from the center of the basket. The distance from the sideline is 3 feet (0.91 m), resulting in a minimum distance from the center of the basket of 22 feet (6.7 m).

NCAA

The National Collegiate Athletic Association (NCAA) has gone through several changes in the distance of its three-point line. The current distance is 20 ft 9 inches (6.32 m) from the center of the basket, which was adopted in 2007 for the 2008–09 season. The women's line was moved to match the men's in 2011–12. The NCAA experimented with the FIBA arc in the 2019–20 season and announced on June 3, 2021, that the FIBA three-point distance would be extended to the women's game starting in 2021–22. The arc is 3 feet 4 inches (1.02 m) from each sideline because the North American court is slightly wider than the FIBA court.

NAIA

The National Association of Intercollegiate Athletics (NAIA) has the same three-point line distance as the NCAA, with an arc of 6.75 m (22 ft 1.75 in) from the center of the basket and 3 feet 4 inches (1.02 m) from each sideline. The NAIA adopted the new NCAA distance for men's play in the 2019–20 season.

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The three-point line in high school basketball

The three-point line was first introduced to high school basketball in 1987, a year after the National Collegiate Athletic Association (NCAA) adopted it. The NCAA lengthened the men's three-point line in 2007, and the women's line was moved to match in 2011. The NFHS line has remained the same since its introduction.

The high school basketball court is also slightly smaller than in college or professional basketball. It is 10 feet shorter, measuring 84 feet, but it is the same width at 50 feet. The basket is also 10 feet off the ground, and the foul line is 15 feet from the backboard.

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The three-point line in the Atlantic Coast Conference

The three-point line in basketball varies by competition level. In the National Basketball Association (NBA), the three-point line is 23 feet 9 inches (7.24 metres) from the centre of the basket. In the Atlantic Coast Conference (ACC), the three-point line has varied from as little as 17 feet 9 inches (5.41 metres) to 22 feet (6.71 metres).

The ACC is a collegiate athletic conference in the United States, with its eighteen member universities competing in the National Collegiate Athletic Association's (NCAA) Division I. The ACC's football teams compete in the NCAA Division I Football Bowl Subdivision. The ACC is considered to be one of the Power Four conferences, and its member institutions are held in high regard nationally.

The three-point rule was first introduced in 1961 by the American Basketball League (ABL), which was a new league at the time. The ABL's commissioner, Abe Saperstein, wanted to add excitement to the game and distinguish the league from the bigger NBA. He wanted the three-pointer to become basketball's equivalent of the home run. Saperstein and DePaul University coach Ray Meyer selected 25 feet (7.62 metres) as the distance for the three-point line. However, the other ABL owners soon voted to shorten the line to 22 feet (6.71 metres).

The three-point rule was first used in the NCAA in the 1986-87 season, with a distance of 19 feet 9 inches (6.02 metres). The ACC has had a three-point line as close as 17 feet 9 inches (5.41 metres), which is shorter than the current three-point line in the NBA and the NCAA. The ACC's three-point line distance is closer to the 19 feet 9 inches (6.02 metres) used in the National Federation of State High School Associations (NFHS).

Frequently asked questions

The three-point line in the NBA is 23 feet 9 inches (7.24 m) from the center of the basket and 22 feet (6.71 m) in the corners.

The three-point line in the WNBA is 22.15 feet (6.75 m) from the center of the basket and 22 feet (6.71 m) in the corners.

The NCAA three-point line is 20 feet 9 inches (6.32 m) from the center of the basket.

The FIBA three-point line is 22 feet 1.75 inches (6.75 m) from the center of the basket.

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