# What Is The Circumference Of A Basketball?

Contents

- 1 What is the circumference of a basketball in CM?
- 2 What is the diameter of a basketball?
- 3 What size is a girls basketball?
- 4 How tall is a basketball?
- 5 What size is a standard basketball rim?
- 6 How many cm is a size 7 basketball?
- 7 How do you measure a basketball?
- 8 What size basketball does a 15 year old use?
- 9 Why is women’s basketball smaller?
- 10 Can you dunk 5 10?
- 11 How far is the 3 point line?
- 12 How tall is the NBA backboard?

## What is the circumference of a 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 is the diameter of a 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 size is a girls basketball?

Size 6 balls are the official ball size for most women’s professional basketball associations, such as the International Basketball Federation (FIBA) 3×3, in addition to women’s college and high school basketball leagues, and in youth leagues for players 12 and up.

## How tall is a basketball?

The basket is 10 feet off the ground. This tradition goes back nearly 130 years to when Dr. James Naismith first invented the sport. Why are hoops still 10-feet tall?

## What size is a standard basketball rim?

The top of the hoop is 10 feet (305 cm) above the ground. Regulation backboards are 6 feet (183 cm) wide by 3.5 feet (107 cm) tall. All basketball rims (hoops) are 18 inches (46 cm) in diameter.

## How many cm is a size 7 basketball?

SIZE 7 BASKETBALLS Size 7 (29.5″ or 75cm ) is the official size of all adult basketballs, suitable for male basketball players aged 13 years and over.

## How do you measure a basketball?

Have one person climb the ladder and place one end on the tape measure at the front tip of the rim so it is even with the TOP side of the rim. Drop the tape measure straight down to the playing surface to check the distance. The tape measure should read 10 feet for regulation basketball, typically ages 11 and older.

## What size basketball does a 15 year old use?

Size 7 29.5” 22 oz Men and boys ages 15 and up. This is official size for high school, college, and the pros.

## Why is women’s basketball smaller?

The smaller and lighter basketball was introduced to make women’s basketball more interesting to spectators because female players tend to shoot from longer distances more often than men do, and they generally have more accurate control of the ball when shooting (Logan, 1978).

## Can you dunk 5 10?

Challenging: 5′ 10″ – 6′ You’ll need to jump roughly 24 inches to touch the rim and 30 inches to dunk a full sized basketball (assuming average arm length). In this height range, very few people will be able to dunk without training their jump. However, with some training you will be able to dunk quite comfortably.

## How far is the 3 point line?

When introduced, the 3-point line was positioned at a distance of 22-feet from the hoop in the corners and at a distance of 23-feet and nine inches to the top of the arc. Chris Ford of the Boston Celtics is credited with making the NBA’s first 3-pointer, in a 114-106 win over the Houston Rockets.

## How tall is the NBA backboard?

Regulation backboards are 72 inches (183 cm) wide by 42 inches (110 cm) tall. All basketball rims (hoops) are 18 inches (46 cm) in diameter. 4