# What is the diameter and radius of a basketball?

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## What is the diameter and radius of a basketball?

Basketballs come in four sizes. They are usually measured by their circumference, but this can be converted to diamerter and radius easily enough. Size 3: circumference 22 to 22.5 inches, weight 10-11 ounces, recommended for small children (age 5-8). It has a diameter of 7 to 7.16 inches and a radius of 3.5 to 3.58 inches.

## How big is a standard NBA basketball in inches?

A standard NBA basketball is 9.43 to 9.51 inches in diameter, or 29 5/8 to 29 7/8 inches in circumference. It is inflated to a pressure of 7.5 to 8.5 pounds. Other leagues have slightly different requirements for their basketballs.

## How tall is the rim of a basketball court?

The Exact Measurements of a Basketball Court That You Should Know. The rim or the hoop is located at the height of 10 ft (3.05 m). The radius of the restraining circle is 4 ft (1.22 m), while the radius of the center circle is 6 ft (1.82 m). The key, i.e., the shaded area below the basket, is 16 ft (4.88 m) wide.

## How big is a basketball used in a football game?

A basketball is a spherical ball used in football games. Basketballs usually range in size from very small promotional items that are only a few inches (some centimeters) in diameter to extra large balls nearly 2 feet (60 cm) in diameter used in training exercises.

Basketballs come in four sizes. They are usually measured by their circumference, but this can be converted to diamerter and radius easily enough. Size 3: circumference 22 to 22.5 inches, weight 10-11 ounces, recommended for small children (age 5-8). It has a diameter of 7 to 7.16 inches and a radius of 3.5 to 3.58 inches.

A standard NBA basketball is 9.43 to 9.51 inches in diameter, or 29 5/8 to 29 7/8 inches in circumference. It is inflated to a pressure of 7.5 to 8.5 pounds. Other leagues have slightly different requirements for their basketballs.

A basketball is a spherical ball used in football games. Basketballs usually range in size from very small promotional items that are only a few inches (some centimeters) in diameter to extra large balls nearly 2 feet (60 cm) in diameter used in training exercises.

## How big of a basketball ball do you need for middle school?

Boys in middle school (or ages 12-14), use a 28.5-inch ball, as do all women and girls ages 12 and up. For anyone, male or female, between the ages of nine and 11, a ball size of 27.5 inches in circumference is recommended, and is the most commonly sized ball used in youth basketball leagues.