Helena Frye
The lane, key, circle, or paint in basketball is the area surrounding the basket, where much of the game's action takes place. The lane's width has changed over time, with the original lane being six feet wide. In 1951, the lane was widened to 12 feet, and in 1964, it was widened again to 16 feet. Since 2010, the lane in NBA and FIBA competitions has been 16 feet wide, while the NCAA and NAIA lanes are 12 feet wide. The overall width of a basketball court can vary, but the optimal width is 50 feet.
| Characteristics | Values |
|---|---|
| Lane's common name | "The key" |
| Other names | Free throw lane, restricted area, restricted area arc, the lane, the paint |
| Description | A marked area on a basketball court surrounding the basket, where much of the game's action takes place |
| Shape | Rectangular |
| Width | 16 feet (4.9 m) for NBA and FIBA; 12 feet (3.7 m) for NCAA and NAIA |
| Length | 19 feet (5.8 m) from the baseline to the foul line |
| Other dimensions | The free throw circle has a 6-foot (1.8 m) radius; the half-circle on the mid-court side of the free throw line is painted solid; the backboard protrudes 4 feet out from the baseline, and the rim of the basket hangs 10 feet off the ground |
| Rules | The "three seconds rule", where the team of a player on offense who stays on the key for more than three seconds loses possession of the ball; the lane violation rule, where a player from either team cannot enter the key before a free-throw shooter releases the ball |
| Line markings | Lines are drawn three feet apart along both sides of the key to create standing positions for players during a free throw attempt; the one nearest the basketball is marked wider and is known as the block |
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What You'll Learn
The lane's width in the NBA
The lane in basketball, also known as the key, the free throw lane, or the shaded lane, is a marked area on a basketball court surrounding the basket. It is where much of the game's action takes place. The lane used to be only 6 feet wide but has been widened multiple times throughout history.
In the NBA, the lane was widened to 12 feet during the 1951–52 season due to the success of tall center George Mikan, who dominated the paint. Further widening to 16 feet occurred during the 1964–65 season to reduce the effectiveness of another dominant center, Wilt Chamberlain.
Since the 2010 FIBA rule amendments, the lane in the NBA has been rectangular in shape and measures 16 feet (4.9 meters) wide. This width is wider than the NCAA and NAIA lanes, which measure 12 feet (3.7 meters).
The free throw lane is marked at each end of the court, and all boundary lines are considered part of the lane. The free throw line itself is 15 feet from the plane of the face of the backboard. The lane space markings are 2 feet by 6 inches, and the lines are 2 inches wide.
The key consists of the circle and the post, also known as the lane or the paint, which overlap at the bottom half of the circle. The post is bounded by the baseline, the free-throw line, and two lane lines connecting the free-throw line and baseline. The lane lines have marks that separate where players stand during a free throw attempt, with the mark nearest the basket known as the block.
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FIBA lane width
The lane in basketball, officially referred to as the "free throw lane" or "restricted area", is a marked area on a basketball court surrounding the basket, where much of the game's action takes place. The lane lines have marks that separate where players stand during a free throw attempt. The one nearest the basket is marked wider and is known as the block.
The dimensions of the lane have varied throughout the history of the game. In 1951, the lane was widened to 12 feet (3.7 m) from 6 feet (1.8 m) in the NBA. This was further widened to 16 feet (4.9 m) in the 1964-65 season.
FIBA-sanctioned tournaments used a trapezoidal key from 1956 until 2010, with the narrower end on the free-throw line at 3.6 meters (12 feet) and the wider end at the end line measuring 6 meters (20 feet). Following the 2010 FIBA World Championship, all FIBA-administered tournaments adopted a rectangular key with a width of 4.9 meters (16 feet), matching the dimensions used in the NBA.
The FIBA court width is 15 meters, which is just over 49 feet. The key, or lane, is almost the same size at 4.8 meters wide, which is just under 16 feet.
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NCAA lane width
The width of a basketball lane, also known as "the key", varies depending on the league and level of play. In the US, the National Collegiate Athletic Association (NCAA) and the National Association of Intercollegiate Athletics (NAIA) use a lane width of 12 feet (3.7 meters). This is wider than the original lane width of 6 feet (1.8 meters), but narrower than the current National Basketball Association (NBA) and International Basketball Federation (FIBA) width of 16 feet (4.9 meters).
The lane, or "the key", is a marked area on a basketball court that surrounds the basket and is where much of the game's action takes place. It is usually painted in a distinctive color and consists of what is colloquially known as the circle and the post, also referred to as the lane or "the paint", which overlap at the bottom half of the circle. The post is bounded by the baseline, the free-throw line, and two lane lines that connect the free-throw line and baseline.
The dimensions of the key area have varied throughout the history of basketball. Originally, the lane was narrower and shaped like a keyhole, measuring 6 feet (1.8 meters) wide. This narrow lane gave tall and imposing centers, such as George Mikan, a significant advantage, allowing them to dominate the paint and score at will. To counter this, the lane width was increased to 12 feet (3.7 meters) at the start of the 1951-52 NBA season.
However, even with the increased lane width, dominant centers like Wilt Chamberlain still had a significant impact on the game. As a result, the NBA further widened the lane to 16 feet (4.9 meters) during the 1964-65 season to reduce the effectiveness of these dominant players. Despite these changes in the NBA, the NCAA and NAIA have retained the 12-foot (3.7-meter) lane width to this day.
It is worth noting that while the lane width may vary, the rules regarding the key area remain consistent across different leagues. One such rule is the "three-second rule", which states that a player on offense cannot stay in the key for more than three seconds. If they do, their team loses possession of the ball. Additionally, during a free-throw attempt, players from both teams must not enter the key before the shooter releases the ball. If the offensive team violates this rule, the shooter may redo their attempt, while a violation by the defensive team results in a successful basket being awarded to the shooters' team.
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High school and junior high courts
The dimensions of a basketball court vary between competitions and leagues. The dimensions are different for high school and junior high courts compared to the professional leagues.
For high school and junior high basketball courts, the lane, or key, is generally 12 feet wide, with some variation depending on the specific league and organization's rules. This is narrower than the lane width in professional leagues, such as the
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History of lane width changes
The dimensions of basketball courts have changed since the game was invented in 1891. The lane, also known as the key, free throw lane, or shaded lane, is a marked area on a basketball court surrounding the basket, where much of the game's action takes place. It is usually painted in a distinctive colour. The lane's dimensions have varied throughout the history of the game.
Originally, the lane was narrower and shaped like a keyhole, measuring 6 feet (1.8 m) wide, with the free-throw circle as the head and the shaded lane as the body. This narrow lane allowed imposing centres, such as George Mikan, to dominate the paint, scoring at will. To counter this, the lane was widened to 12 feet (3.7 m) at the start of the 1951-52 NBA season.
However, this change did not completely solve the problem, as another dominant centre, Wilt Chamberlain, continued to dominate the paint. As a result, the lane was widened further to 16 feet (4.9 m) in the 1964-65 NBA season to reduce the effectiveness of these dominant centres. This width has been retained in the NBA to the present day.
In FIBA-sanctioned tournaments, the lane dimensions have also undergone changes. Prior to 2010, FIBA-sanctioned tournaments used a trapezoidal key, with the narrower end on the free-throw line measuring 3.6 meters (12 feet), and the wider end at the end line measuring 6 meters (20 feet). However, beginning after the 2010 FIBA World Championship, all FIBA-administered tournaments adopted a rectangular key with a uniform width of 4.9 meters (16 feet). This change brought the FIBA lane width in line with the NBA specifications.
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Frequently asked questions
The width of the lane, or "the key", in basketball has changed over time and varies according to the league and level of play. In the NBA, the lane is 16 feet wide. In NCAA basketball, the lane is 12 feet wide.
FIBA-administered tournaments use a rectangular key that is 4.9 meters (16 feet) wide.
The optimum width of a high school basketball court is 50 feet, but it is unclear if the lane width is the same.
The lane was widened to counter the success of imposing centers such as George Mikan, who dominated the paint due to his height.
The lane, also known as "the key", is a marked area on a basketball court surrounding the basket, where much of the game's action takes place.
