# Often asked: What Is The Diameter Of A Basketball?

Contents

- 1 What is diameter of basketball in CM?
- 2 What diameter is a size 7 basketball?
- 3 What is the diameter of a high school basketball?
- 4 What is the radius of a basketball?
- 5 How do you pick the right size basketball?
- 6 What is the standard size of the ball?
- 7 Are women’s basketballs smaller than men’s?
- 8 What size basketball is used in the WNBA?
- 9 Is the FIBA ball smaller than NBA?
- 10 What is the radius of a girls basketball?
- 11 What are different basketball sizes?
- 12 What is a standard size basketball rim?

## What is diameter of basketball in CM?

The official NBA and competitive professional basketball is 29.5” | 74.9 cm in circumference with a diameter between 9.43”-9.51” | 24-24.2 cm. Professional basketballs must be inflated to a pressure between 7.5-8.5 PSI and cannot exceed the maximum weight of 22 ounces.

## What diameter is a size 7 basketball?

Size 7. Size 7 basketballs measure 29.5” in circumference and have a standard weight of 22 oz.

## What is the diameter of a high school basketball?

Men and boys ages 15 years old and older use basketballs that measure 29.5″ in circumference and weigh 22 ounces. 29.5″ basketballs are also referred to as “official size” or “size 7″ basketballs. Men’s leagues such as the NBA, college and high school use 29.5” basketballs.

## What is the radius of a basketball?

The radius of an official NBA basketball is about 4.7 inches.

## How do you pick the right size basketball?

What Size Basketball Should I Buy?

- BASKETBALL BALL SIZE CHART.
- Players ages 9 to 11 should use a youth basketball (27.5″).
- Women/girls age 12 and up and boys ages 12 to 14 should play with a 28.5” basketball.
- Men age 15 and up should play with an Official Size (29.5”) basketball.

## What is the standard size of the ball?

The standard for a basketball in the National Basketball Association (NBA) is 29.5 inches (75 cm) in circumference and for the Women’s National Basketball Association (WNBA), a maximum circumference of 29 inches (74 cm). High school and junior leagues normally use NCAA, NBA or WNBA sized balls.

## Are women’s basketballs smaller than men’s?

The circumference of the women’s basketball is one inch (2.54 cm) less than the men’s basketball. The smaller ball was introduced for NCAA play in the fall of 1984.. The women’s three-point line is one foot (0.30 m) closer to the basket than men’s.

## What size basketball is used in the WNBA?

BALL SIZE: The circumference of the WNBA ball is 281/2 inches, the same size as the ball used in women’s college basketball. The NBA ball is 295/8 to 297/8 inches in circumference. DURATION OF GAME: WNBA games, like college, include two 20-minute halves.

## Is the FIBA ball smaller than NBA?

The FIBA ball is the same size as an NBA ball (29.5-inch circumference), but some will swear to you it feels smaller and lighter.

## What is the radius of a girls basketball?

A standard NBA basketball has a diameter between 9.43 and 9.51 inches. In the WNBA, the basketball has a diameter of between 9.07 and 9.23 inches. Basketballs used in the NCAA are between 9.39 and 9.55 inches for the men and 9.07 and 9.23 inches for the women.

## What are different basketball sizes?

BASKETBALL SIZE GUIDE

- SIZE 3 BASKETBALLS. NOVELTY – FOR ALL AGES.
- SIZE 5 BASKETBALLS. FOR AGES 5 – 8 YEARS.
- SIZE 6 BASKETBALLS. FOR AGES 9 – 12 YEARS.
- SIZE 6 BASKETBALLS. OFFICIAL WNBL BALL SIZE.
- SIZE 7 BASKETBALLS. FOR AGES 13 YEARS & OVER.

## What is a standard size basketball rim?

All basketball rims (hoops) are 18 inches (46 cm) in diameter. The inner rectangle on the backboard is 24 inches (61 cm) wide by 18 inches (46 cm) tall, and helps a shooter determine the proper aim and banking for either a layup or distance shot.