What Size Is An NBA Basketball?

size is an NBA basketball

An NBA basketball is slightly larger than a regulation-size basketball. It is 29.5 inches in circumference. The bigger size makes it easier for players to handle and shoot the ball.

A regulation-size basketball is 28.5 inches in circumference. It is the size used in high school, college, and international games. Many players prefer it because it makes them more precise with their shots.

The size of an NBA basketball has changed several times throughout the league’s history. The current size was introduced in 2006 and is known as the “Size 7.”

What Is The Diameter Of An NBA Basketball?

NBA Basketball
What Is The Diameter Of An NBA Basketball?

An NBA basketball is 9 inches in diameter. The average person’s hand is about 7 inches, so an NBA basketball is slightly bigger than the average person’s hand.

Is An NCAA Basketball The Same Size As An NBA Ball?

No, an NCAA basketball is not the same size as an NBA ball. The circumference of an NCAA ball is 9.43 inches, while the circumference of an NBA ball is 9.65 inches. The difference may not seem like much, but it can make a big difference on the court.

Is There A Standard Size Requirement For NBA Basketball?

No, there is no standard size requirement for NBA Basketball. The size of the ball may vary depending on the manufacturer, but the official size of the ball must be between 29.5 and 30 inches in circumference and weigh between 22 and 24 ounces. The basketball court size also varies by the arena but must be a minimum of 84 feet long by 50 feet wide.

What Should Be The Weight Of NBA Basketball?

An NBA basketball should weigh between 20 and 22 ounces or 567 to 623 grams. The ball mustn’t be too heavy or too light so players can dribble and shoot it easily.

Do High Schools And College Leagues Use The Same Size Basketball?

  • No, high schools and college leagues do not use the same size basketball. An NBA basketball is 29.5 inches in circumference, while a high school ball is 28.5 inches and a college ball is 29 inches.
  • An NBA ball weighs 22 ounces, while a high school ball is 20 ounces, and a college ball is 21 ounces.

So, as you can see, there are slight differences in the size and weight of the basketballs used in different leagues.

How Important Is It To Have A Proper Size Basketball?

Basketballs Size
Proper Size Basketball

A basketball is a vital part of the game of basketball. It is very important to have a ball that is the proper size, weight, and shape. The size of a basketball affects the way the game is played. If the ball is too big, it will be difficult to handle. If it is too small, it will be hard to control. The weight of the ball also affects how it behaves when dribbled and shot. A properly sized basketball enables players to execute all the skills necessary to play the game well.

Recommended Basketball Sizes By Age:

When it comes to picking the right basketball size for your child, there are a few things to keep in mind.

  1. The age group you are buying for should be considered.
  2. Your child’s height and weight should also be considered when choosing a basketball size.
  3. The activity level of your child should be factored in as well.

The NBA has established three different sizes for boys and girls aged 7-14 years old: Youth/Mini (5-8), Junior (9-12), and Youth/Men (13-15). The mini ball is about 3/4 inch smaller than an official NBA ball and is used by younger players.

Basketball Materials

The material used in basketballs has changed over the years. The first balls were made of leather and were inflated with air. Now, most balls are made of synthetic materials such as rubber or composite materials. The material used in basketball affects how the ball bounces and how long it lasts.


In conclusion, an NBA basketball is sized 29.5 inches in circumference and 9.25 inches in diameter. It is made of inflated rubber and wrapped in leather. The weight of the ball is 22 ounces. This size ball is used in both men’s and women’s professional basketball leagues.