Basketball is a popular sport played by millions of people worldwide. One of the essential aspects of the game is the basketball court itself. Understanding the dimensions of a basketball court is crucial for players, coaches, and fans alike. In this article, we will explore the standard measurements of a basketball court, from the overall dimensions to specific markings and areas. So, let’s dive in and uncover the fundamental aspects of basketball court dimensions.

A basketball court is a place where we play basketball. It could be different based on the level of play, league, budget, spatial ability, and designs. Here we included the best links and information related to the basketball court dimension to give you great knowledge about the basketball dimension. So, let’s jump in,

The Overall Dimensions of a Basketball Court

The standard dimensions of a basketball court are 94 feet in length and 50 feet in width. These measurements apply to professional and college basketball courts. The court is divided into two equal halves by the midcourt line, also known as the half-court line.

Shortcut Table

Area NBA FIBA High School College
Length 94 ft 91ft 10 inch 84 ft 94 ft
Width 50 ft 49.21 ft 50 ft 50 ft
Free throw line 15 ft 15.09 ft 15 ft 15 ft
Key width 16 ft 16.08 ft 12 ft 12 ft
3 Point ARC 23.75 ft 22.15 ft 9 ft 20.9 ft
No charge zone arc 4 ft 4.10 ft 4 ft 4 ft
Center circle
12 ft 11.81 ft 12 ft 12 ft
Rim height 10 ft 10 ft 10 ft 10 ft

Basketball Court Dimension According To The League.

The regulation basketball court dimensions are 94 feet high and 50 feet wide. But there’re also some differences in dimensions regarding the league and the level of play.

Basketball Court Dimensions NBA

Basketball Court Dimensions NBA

The dimensions of the NBA are 94 feet high and 50 feet wide (28.65m*15.24m). The 3 point arc is approximately 23.75feet (7.24m) from the rim. The free-throw line is 15ft (4.57m) away from the backboard line, and the key is 16 feet (4.88m) wide. The centre circle of the NBA court is a little bit bigger than INT, 12 feet. The no-charge zone arc is 4feet.

Basketball Court Dimensions FIBA

Basketball Court Dimensions FIBA

The FIBA’s court dimension is a little bit smaller than the NBAs court dimension. The FIBA’s court length is approximately 91 feet 10 inches (28m), and the width is 49 feet 2.5 inches (15m). The center circle is 11.81feet (3.6m). Free-throw line distance from the point on the floor directly below the backboard is 15.09feet (4.6m), and the key is 16.08feet (4.9m). The no-charge zone arc measure is 4.10feet (1.25m).

Basketball Court Dimension High School

Basketball Court Dimension High School

The overall size of the high school court is 84 feet long and 50 feet wide. Some junior school set this measure as 74 feet long and 42 feet wide. The center circle has 6 feet outside the radius. The foul line distance is 15 feet from the front of the backboard and 18 feet 10 inches from the baseline. The key is 12 feet wide. The 3 point line is 19 feet 9 inches with a straight line extending out 5 feet 3 inches from the baseline. The no-charge semi-circle is 4 feet.

Basketball Court Dimensions College

basketball court dimensions college

The size of the college basketball court is the same as like NBA, its 94 feet long and 50 feet wide. The center circle radius is 6 feet outside, and 2 feet in the inside circle. The 3 point arc is 20 feet 9 inches away from the center of the rim. The free-throw line length is the same as others; 15 feet from the backboard and 18 feet 10 inches from the baseline. The key is 12 feet wide with a 6 feet half radius on the top. The no-charge zone arc is 4 feet.

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Basketball Court Sections

Center Circle:

basketball Center Circle

The center circle is placed in the middle of the court. Its diameter around 11.81 ft in the FIBA, and the rest of the time 12 ft including the NBA. Only two players are permitted to enter this area and try to tab the ball by their hands to their team while the referee throws the ball in the air.

Three Point Line:

Basketball Three point line

The three-point line is the line that separates the two-point area from the three-point area. Any successful shot beyond this line counted as three points. But if somehow shooting player’s foot touches the line, it will be counted as two points. The length of the line could be separated by the league as the NBA’s court has 23.75 ft while FIBA sets the value as 22.15 ft.

Perimeter: The perimeter area is the area outside the free-throw line and inside of the three-point line. The shots successfully made from this area is called ‘perimeter shots. Even if the player who made a shot and his foot touch the three-point line, will be considered as ‘perimeter shots.

Key: the key, free throw lane, or shade lane is actually the printed area of the rim beneath. It’s also been noticed in different measures. In the NBA, it is 16 feet, while in the FIBA 16.08, in the NCAA or high school and junior level leagues, it often 12 feet.

Low Post Area:

basketball Low post area

The low post area is the area outside of the lane, inside the three-point line. The low post area is closest to the basket but not in the lane. However, it has an important role in the strategy of basketball. skilled low post players could score many points in-game.

Basketball Hoops: The basketball hoop has two main parts on it; the backboard, and the rim.


basketball backboard size

All highly professional leagues like NBA, NCAA, FIBA, use tempered glasses backboard with a dimension of 72 inches wide and 42 inches height.

Rim: (height, dimension of rim)

basketball hoop height

The regulation size of a rim is 18 inches. The Rim used by professionals or leagues is 18 inches in diameter based. In the NBA, FIBA, and NCAA, whatever the game level is, the dimension is always 18 inches except for some recreational games. And the height of the Rim is 10 feet from the ground.

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The Key Areas of a Basketball Court

Basketball Court Dimension

Several key areas on a basketball court play crucial roles in gameplay. Let’s explore each of these areas:

The Playing Area

The main playing area, also known as the frontcourt or offensive zone, spans from the midcourt line to the baseline on both ends of the court. It is within this area that most of the game’s action takes place.

The Three-Point Line

The three-point line is a semicircular arc that measures 23 feet 9 inches from the center of the basket. Shots made from beyond this line are awarded three points, while shots made within the line are worth two points.

The Free-Throw Line

The free-throw line is located 15 feet from the backboard and is used for free-throw shots. It is parallel to the baseline and extends across the width of the court. Free throws are worth one point each.

The Key or Paint Area

The key, also known as the paint area or the lane, is a rectangular-shaped area located in front of the basket. It measures 16 feet in width at the baseline and 12 feet in width at the free-throw line. The key extends from the baseline to the free-throw line and is used for various gameplay rules, such as defensive violations and three-second violations.

The Baseline and Sidelines

The baseline is the boundary line at each end of the court, while the sidelines are the boundary lines running along the length of the court. These lines define the playing area and help determine out-of-bounds situations.

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Additional Court Markings

Basketball Court Dimension

In addition to the main areas mentioned above, basketball courts have several other markings that serve specific purposes. Let’s explore some of these markings:

The Center Circle

The center circle is located at midcourt and measures 12 feet in diameter. It is used for the jump ball at the beginning of the game and to restart play after certain situations.

The Restricted Area

The restricted area, also known as the “charge circle,” is a semi-circle located beneath the basket. It is used to determine charging fouls and defensive positioning during certain gameplay situations.

The Coaching Box

The coaching box is an area reserved for coaches and other team personnel. It extends from the baseline to the sideline and is used to mark the permissible boundaries for coaches during the game.

The Substitution Box

The substitution box is located on the sideline across from the scorer’s table. It is used by players entering or exiting the game during substitutions.

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Understanding Court Dimensions for Different Levels of Play

Basketball Court Dimension

While the overall dimensions of a basketball court remain the same, there are slight variations for different levels of play. Let’s take a look at the court dimensions for various levels:

NBA and NCAA Court Dimensions

NBA and NCAA courts follow the standard dimensions mentioned earlier, measuring 94 feet in length and 50 feet in width.

High School Court Dimensions

High school basketball courts are slightly smaller, measuring 84 feet in length and 50 feet in width. The key area is also narrower, measuring 12 feet in width.

FIBA Court Dimensions

FIBA (International Basketball Federation) courts adhere to metric measurements. They are 28 meters in length and 15 meters in width, which roughly translates to 91.9 feet by 49.2 feet.

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Frequently Asked Questions

What are the Middle School and High school court dimensions?
The middle school basketball court dimensions are 74 feet long and 42 feet wide while the school courts are a little bit bigger 84 feet long and 50 feet wide.

What is the regulation basketball rim height?
The regulation rim height from floor to rim is 10 feet. All major league like NBA, FIBA, NCAA, SCHOOL, and JUNIOR SCHOOL has the same rim height. But often kids leagues set the rim height to 8 or 9 feet because 10 feet height is just too big to shoot for these kids.

What is the ball’s diameter?
The size of the ball is different for men’s, women’s, and youth leagues. The official NBA game ball made by Spalding measures 9.43 to 9.51 in diameter and 29.5 inches in circumference. The NCAA & the WNBA use a slightly little ball with a 9.07 to 9.23-inch diameter and 28.5-inch circumference. On the other side, youth leagues use 28.5-inch, and Girls’ youth basketballs use a 27.5-inch circumference ball.

How long is a high school game?
The high school basketball games have four quarters of 8 minutes in their game. So a total of 32 minutes of game time.

How long is a college basketball game?
The college basketball games consist of two parts each part has 20 minute game time. So, a total of 40 minutes of game time.

How many quarters are there in the NBA game, and how long?
There are four quarters in the NBA game, each quarter lasts for 12 minutes. So the NBA game has 48 of game time. But in WNBA, basketball games consist of four 10-minute quarters, for a total of 40 minutes of game time.

What type of wood is used for NBA courts?
The NBA uses maple for its floor because of its hardness and light color.

How often does the NBA replace its floor?
After every 10 years later NBA changes their wood. But often it keeps longer if the wood is useable.


Understanding the dimensions of a basketball court is essential for anyone involved in the game. From players to coaches and fans, knowing the measurements allows for better gameplay, strategy development, and appreciation of the sport. By exploring the overall dimensions, key areas, additional markings, and variations for different levels of play, we’ve gained valuable insights into the world of basketball court dimensions.


Basketball court – Wikipedia

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David Harris is a former player and after many years of writing and testing hundreds of products associated with the game, created this website to share his tips, basketballs and gear.  I look forward to continuing to grow and build this site and sharing great content.


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