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How big is basketball rim


What Is The Diameter Of A Basketball Hoop Rim? – Measuring Stuff

The basic concept of the game of basketball is to score more points than the other team. 

This involves shooting a ball through a basket and the team with the most baskets will win. 

There is more to it than that, but you get the idea. 

In order to shoot the ball into the basket, it’s important to know the size of both the basket and the ball as the ball needs to fit through the hoop to score points. 

Keep reading to find out the exact diameter of a basketball hoop along with other interesting basketball size information.

Basketball hoop rim diameter

The diameter of a basketball hoop rim used by professional leagues including the NBA, universities, and high schools is 18 inches or 45.72 centimeters. The diameter is measured from the inside of the rim and is the distance through the center of the rim dividing it into 2 equal parts. The radius of a basketball hoop rim is 9 inches.

According to the NBA equipment size regulations, rule number 1, section 2 states that the NBA-approved metal safety ring must be 18 inches in diameter. 

Basketball diameter size

The diameter of a regulation-size basketball is 9.51 inches. Knowing that the rim diameter is 18 inches, it’s easy to see that the ball will fit into the basket with room to spare. 

What is a size 7 basketball?

You may have heard that basketballs are given a number based on their size. 

For example, a size 7 basketball is one that has a circumference of 29.5 inches. 

They also have a weight of 22 ounces.

The size 7 ball is commonly used in pro basketball leagues like the NBA.

How much air does a basketball hold?

According to the NBA rule book mentioned above, the basketball must have between 7.5 and 8.5 pounds of pressure.

A deflated or over-inflated ball will affect the size and weight of the ball.

Will 2 basketballs fit in the rim?

Now that you know the size of both the basketball and the rim, you may be wondering if 2 basketballs will fit in the rim.

The answer is yes and no. There is a size difference between men’s and women’s basketballs. The basketballs used in men’s leagues are 9.51 inches and in women’s leagues are 9 inches.  So technically if filled with the right amount of air, 2 men’s basketballs will fit in the rim but will not fall through. But 2 women’s basketballs will fit inside the rim with enough space to fall through. 

How tall is the basketball hoop rim?

In all basketball leagues, a basketball hoop is 10 feet tall. This is measured from the ground to the rim. 

What is the size and purpose of the backboard?

Every basketball hoop is connected to a backboard that is 6 feet wide and 3.5 feet tall. 

On the backboard, it’s required to have a 2-inch white rectangle shape that is 24 inches wide and 18 inches tall. 

The purpose of the backboard and inner rectangle is to help the shooter aim and bank the basketball into the hoop. The backboard can be used for either a layup or bank shot, or a shot from a distance which will help guide the ball into the hoop.  

Other information regarding basketball hoops and rims

The basketball rims used in most professional leagues are called Enclosed spring breakaway rims.

These are used for safety and long-lasting purposes. 

Each hoop in the NBA consists of a pressure-release NBA-approved metal safety ring.

There are several factors that go into determining how much weight a basketball net can hold, but on average they are designed to hold around 230 pounds. 

Attached to the basketball hoop, is a white cord net that is 18 inches long. It also must not be less than 30 thread or more than 130 thread. 

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Basketball Rims & Nets Dimensions & Drawings

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Basketball

Basketball rims, or hoops, are orange painted goals attached to the backboard and used for scoring points in a game of basketball. Basketball rims today are designed as breakaway rims comprised of a hinge and spring that allow the rim to bend when a player dunks without shattering the backboard. The rim itself is made of a 5/8” | 1.6 cm steel diameter steel rod that is formed into a ring with an inner diameter of 18” | 45.72 cm. Basketball nets are hung from the bottom of the rim with lengths between 15”-18” | 38.1-45.7 cm. Basketball rims are mounted 10’ | 3.05 m from the court floor.

Basketball rims, or hoops, are orange painted goals attached to the backboard and used for scoring points in a game of basketball. Basketball rims today are designed as breakaway rims comprised of a hinge and spring that allow the rim to bend when a player dunks without shattering the backboard. The rim itself is made of a 5/8” | 1.6 cm steel diameter steel rod that is formed into a ring with an inner diameter of 18” | 45.72 cm. Basketball nets are hung from the bottom of the rim with lengths between 15”-18” | 38.1-45.7 cm. Basketball rims are mounted 10’ | 3.05 m from the court floor.

How wide is a Basketball Rim?

Basketball rims have an inner clear diameter of 18” | 45. 72 cm.

What is the size of a basketball compared to the rim?

Compared to the clear area of the basketball rim, a regulation basketball is 27% of the size of the opening.

How low does a basketball net hang?

Basketball nets hang 15”-18” | 38.1-45.7 cm below the rim.

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Weight:

Diameter (Rim): 18” | 45.72 cm inner
Diameter (Steel): 5/8” | 1.6 cm
Distance from Backboard: 6” | 15.1 cm
Height (Rim): 10’ | 3.05 m to court
Net Length: 15”-18” | 38.1-45.7 cm below rim
‍Basketball to Rim Ratio: Compared to the clear area of the basketball rim, a regulation basketball is 27% of the size of the opening.

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Text by

Bryan Maddock

Updated on

April 8, 2020

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BasketballSports

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Basketball is a team sport in which two teams of five players score points by shooting (throwing) a ball through an elevated hoop located on either side of the rectangular court. To advance the ball down the court, players must bounce the ball (dribble) or pass it to a teammate.

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6'9" | 2. 06 m

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Basketball court markings: standards and norms

Author of the article

Khvatkov Dmitry

Consultant in the production of rubber coatings

Basketball field marking requirements are approved by the FIBA ​​standard. The site must be flat with a hard surface, free of bends, cracks and other obstacles. The accepted dimensions of the field are 28 m long and 16 m wide. By NBA standards, the field is slightly larger: 28.7 m (94' ft) long and 15.3 m (50' ft) wide.

Areas not intended for international competitions may differ from accepted standards (for public use, in schools or universities, etc.) and usually vary from 20 to 28 m in length and from 12 to 16 m in width.

Basketball Court Marking Standards

Basketball court markings are conventionally divided into 5 components:

  • Boundary lines. They are located along the perimeter of the site and set its size. The lines that run along the field are called side lines, and those that are behind the baskets are called front lines.
  • Central line. Divides the court in half parallel to the front lines.
  • Central zone. It is a circle and is placed in the middle of the center line, and, accordingly, in the center of the entire field.
  • Three-point line. It is a semi-ellipse and is located around the shields on both sides of the field. It limits the close range.
  • Free throw line. It is located in front of the boards parallel to the front line and is limited on the sides by paint lines.

The standard line width is 5 cm. All outlines and lines must be of the same color (usually white) and be clearly visible from anywhere on the court.

Common lines

Common lines are used to limit the playing area of ​​the court. The side lines (along the field) according to FIBA ​​standards should be 28 m long, and the front lines - 16 m. For public areas, deviations from the accepted standards are allowed. Typically, basketball courts in schools or gyms are made from 20 m long and 12 m wide.

Central lines

The center line is parallel to the front and divides the field exactly in half. According to the standards - it should extend beyond the side lines by 15 cm on both sides.

In the middle of the center line there is a circle with a diameter of 3.6 m, which limits the central zone of the field. In this zone, the ball is played at the beginning of the game.

Three-Point Line

Three-Point Lines are located around the backboards on both sides of the field and consist of two straight lines 2.9 long9 m and a semicircle. Straight lines run perpendicular to the front at a distance of 0.9 m from the side lines. Despite the fact that visually the distance from the ring to the side of the three-point line seems to be less than to its central part, the distance from the backboard to any point is 6.75 m.

Penalty lines

Penalty lines limit the nearest area at the backboard. They consist of a trapezoid and a free throw zone.

Despite the name, the "trapezium" is a rectangle (until 2009year it really was a trapezoid), which is located under the shield. Its dimensions are 5.8 meters long and 4.9 meters wide. The shield is located at a distance of 1. 575 m from the end line in the middle of the site. In front of the backboard, at a distance of 1.25 m, there is a semicircle that limits the area for picking up the ball.

At a distance of 4.225 meters from the backboard, the trapeze zone ends and the free throw zone begins. It is a semicircle with a diameter of 3.6 m (like the central circle).

Paint zone lines

These lines are serifs on both sides of the trapezoid (parallel to the side lines). They limit the areas for players who are fighting for the ball during a free throw.

Zones on the basketball field

The basketball court is divided into zones using markings. Each zone has its own specific rules.

Center circle

The center circle is used as a separate kick-off area at the start of the game. One representative from each team stand in a circle from their side and fight for the ball in a jump, after it is dropped by the referee. All players are exclusively on their side of the field, except for one who rebounds on the opponent's side.

Neutral zone

The peculiarity of this zone is that as soon as the player of the attacking team with the ball crosses the center line and is on the side of the opponent, he cannot pass the ball to the player of his team who is on the other side of the field (i.e. behind center line on your side).

Three-point zone

The three-point line limits the near zone of the shot. Hitting the basket from outside the basket brings the team three points. If the throw was made inside the zone, then it brings two points.

Three-second zone

This is the zone in close proximity to the ring. It is called three-second, since the player of the attacking team cannot be in it for more than three seconds. Most balls are thrown in this zone, so when attacking, it provides maximum protection.

Free throw area

In controversial situations, a free throw is provided from this area. The player of the attacking team must score the ball without stepping over the line of the trapezoid. At the same time, the players of both teams are not in the three-second zone. They take up positions along the paint lines on the sides of the trapezoid and may not step outside the lines until the free throw shooter has shot the ball.

How to mark a basketball field?

Basketball field markings, whether it is an international competition court or an open-air amateur field, are best applied using special equipment. This will ensure the long life of the coating, the lines will not clog and will promote fair play.

You can order the marking of a basketball court in Moscow and the Moscow region from Rezkom. We will measure the premises and develop a design project for the field so that it complies with generally accepted rules and is convenient for operation. For more details, you can contact our manager by phone 8-495-64-24-111.

Rules of the game of basketball - Internet portal Sportmaster Media

3 min.

Ball in the basket - victory is yours

Basketball

This is a material about the basic rules of playing basketball. We also have a text about the risks of injury in sports.

Basketball is a team game with a ball. The goal of each team is to attack the opponent's ring and score the most points during the match. We tell you how not to break the rules in a tough fight for the ball and become a winner.

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Each basketball team consists of 12 players who substitute for each other during the match. At the same time, five people from each team are on the site.

According to the rules of basketball, the whole team must have the same uniform and even socks of the same color. Jerseys of team members must be numbered.

For safety, remove jewelry and any accessories that could injure other players.

The game consists of four periods of 10 minutes. Breaks between the first and second quarters, as well as between the third and fourth, are 2 minutes. The longest break is 15 minutes, it is taken in the middle of the game, after the second quarter. At this moment, the teams change rings.

If the score is tied by the end of the match, the referee adds 5 minutes of overtime. Overtime is appointed as many times as necessary until the winner is revealed.

A team coach may take a time-out during a game. This break lasts for a minute. Most often, a time-out is taken to adjust tactics.

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Basketball court measures 28 meters long and 15 meters wide. Each site should have markings. It is applied around the perimeter and zones are designated:

  • center circle
  • free throw line
  • three-point hitting area
  • face-off lines
  • restricted area
  • semi-circle without fouls and collisions
Mandatory element 6 of the basketball court It is hung at a height of 3.05 m.

In basketball, the ball is played only with the hands, it can be hit on the floor, passed, thrown and hit. You can’t run without a lead or kick the ball with him.

With the ball in hand, you can take two steps, but only to stop, pass or shoot into the ring.

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  • 1 point - Scored for free throw
  • 2 points - Scored from 2-point zone
  • 3 points - for a ball scored from a three-point hit zone

There are a lot of fouls in basketball, let's look at the main ones.

A run is the movement of a player with the ball in his hands without dribbling. For this, the referee appoints a throw-in by the opposing team.

Three Second Rule - A player of the attacking team cannot stay in the highlighted area under the hoop for more than three seconds. For such a violation, the ball is transferred to the opponent.

Foul is a touch on an opponent that limits his freedom of movement. In some cases, a free throw is awarded for a foul - this is decided by the referee. A throw from the penalty line is performed by a member of the opposing team, for a professional this is an almost guaranteed hit.

You can also get a foul without contact - technical. It is given for unsportsmanlike behavior, disrespect for the referee or other participants in the game. Two technical fouls are followed by disqualification.

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