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What is the NBA basketball size? Basketball is one of the most followed sports in the United States and is equally famous worldwide. It is played at different levels, i.e., school, college, and professional – and the basketball size varies with the level of the competition.

What is the official size of an NBA basketball?

NBA Basketball Size

For instance, the National Basketball League (NBA) has different sizes for men’s and women’s tournaments. For men’s professional league, the balls must be 29.5 inches in circumference and 22 oz in weight.

These balls might be inflated with pressure from 7.5 to 8.5 psi. They are size 7 and are made from orange leather with black lettering. For the women’s league, the basketball size 6 ball is used. The ball’s circumference ranges from 28.5 to 29 inches and it weighs around 18 to 20 oz.

What is the diameter of a basketball?

The diameter of a basketball is approximately 9.4 to 9.43 inches or 24 to 24.1 centimeters. 

What is the history of basketball ball sizes?

The size of basketballs has varied over time. The official size for college and high school basketball is slightly smaller than the NBA size. Youth basketballs are more miniature as well.

FIBA Basketball Size

On the other hand, the International Basketball Federation (FIBA) has stringent rules for basketball size. In the FIBA-governed leagues, the basketball must be size 7 with the serial number and the manufacturer’s name printed on it.

The ball’s circumference must be 30.7 inches and weighs 567 to 650 gm. When dropped from 70.8 inches, they might bounce to a height of 51.2 inches or even more.

All FIBA-approved basketballs have to pass various stringent tests, such as valve and heat tests, before being cleared for usage in a tournament.

NCAA Basketball Size

The regulations for basketball size in the National Collegiate Athletic Association (NCAA) tournaments are not as strict as the NBA or FIBA.

In men’s tournament, a size 7 ball is used, with a circumference between 29.5 and 30 inches and weighing 20 to 22 oz. Women’s matches require size 6 basketballs, which have a circumference ranging from 28.5 to 29 inches and weigh between 18 and 20 oz according to the NCAA regulations.

For Juniors and Youngsters

The recommended circumference of basketballs for juniors and youngsters is 27.75 inches (size 5), while their weight is approximately 18 oz. For children younger than 7, balls with a circumference of 22 inches and a weight of around 8 oz are used.

Choosing the right size basketball for young players is very important, especially for young players. Using the wrong size might lead to bad shooting habits or incorrect techniques.

The recommended sizes for different age groups are as follows:

Nerf Toy

The Toddler Nerf Toy is specifically designed for children aged 0 to 4. It is a lightweight toy with a weight range of 1 to 5 oz, ensuring it is easy for young children to handle and play with. The toy also comes in various lengths, ranging from 9 to 20 inches, providing options for different play preferences. The Toddler Nerf Toy offers young children a fun, engaging playtime experience with its safe and age-appropriate features.

Size 1 Basketball

 The size 1 basketball, also known as “micro-mini” basketball, is designed for girls and boys aged 2-4. It weighs 8 oz and has a length of 16 inches.

Size 3 Basketball

Size 3 basketballs, or “mini” basketballs, are designed for girls and boys aged 4 to 8. These basketballs weigh approximately 10 ounces and have a length of 22 inches. They are smaller and lighter than regular basketballs, making them easier for young children to handle and shoot.

Size 4 Basketball

  • For girls and boys ages 5 to 8 years old
  • Weighs 14 oz
  • Length is 25.5 inches
  • The diameter is 8.5 inches
  • Made of rubber or synthetic materials

Size 5 Basketball:

The size 5 basketball suits for girls and boys aged 9 to 11. It weighs 17 oz and has a length of 27.5 inches.

  • For girls and boys ages 9 to 11 years old
  • Weighs 17 oz
  • Length is 27.5 inches

Size 6 Basketball:

High school basketball also typically uses the same size as the women’s pro and college basketballs. 

For boys and girls ages 12 to 14 years old, the recommended size is slightly smaller: 

  • Size: 28.5 inches 
  • Weight: 20 oz 

These dimensions are designed to suit the age and skill level of the players. 

Size 7 Basketball:

  • Official basketball size for the pros, high school, and college boys

FAQs About NBA Basketball Size

Q: Is the size of an NBA basketball different from a standard basketball?

A: No, the size of an NBA basketball is the standard size in professional basketball.

Q: Can I use an NBA basketball for outdoor play?

A: Yes, you can use an NBA basketball for outdoor play, although it may wear out faster compared to an outdoor basketball.

Q: What is the weight of an NBA basketball?

A: An NBA basketball typically weighs around 22 ounces.

Q: Can I play with an NBA basketball in college and high school basketball leagues?

A: College and high school basketball leagues often use their own specific-sized basketballs. It’s best to check with the league’s regulations to determine the appropriate ball size.

Q: Can youth basketball players use an NBA basketball?

A: Youth basketball leagues typically use smaller basketballs to accommodate young players. It’s recommended to use a basketball specifically designed for youth play.

Q: What is the size of a basketball used in youth basketball leagues?

A: The size of a basketball used in youth basketball leagues may vary depending on the age group. Common sizes include 27.5 inches and 28.5 inches in circumference.

Q: What is the official ball size used in the NBA game?

A: The official ball size used in the NBA game is 29.5 inches in circumference.

Final Word

To sum it up, 29.5 inches circumference is the official NBA basketball size and weight is 22 ounces. Men’s college and high school basketball leagues also use this size. The women’s NBA uses a slightly smaller ball, with a circumference of 28.5 inches and a weight of 18 to 20 ounces. The size of a basketball is essential for players of all ages and skill levels. The right size ball will help players control the ball and make shots more easily. When choosing a basketball, it is essential to consider the players’ age, skill level, and playing environment. Many different brands and models of basketballs are available, so it is important to do some research to find the best ball for your needs.

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