What is the diameter of a size 7 basketball?

What is the diameter of a size 7 basketball? The official NBA basketball size is 29.5 inches in circumference, and that standard is used across men’s college and boy’s high school basketball. This is also known as size 7, with a weight of 22 ounces and a diameter between 9.43 and 9.51 inches.

The official NBA basketball size is 29.5 inches in circumference, and that standard is used across men’s college and boy’s high school basketball. This is also known as size 7, with a weight of 22 ounces and a diameter between 9.43 and 9.51 inches.