The typical size of a basketball for all ages goes as follows: Boys aged 13 and older: Size 7 ball (29.5 inch circumference, 22 oz., used at the men’s professional level) Boys aged 10-12, Girls aged 11 and older: Size 6 ball (28.5 inch circumference, 20 oz., used at the women’s professional level)
Size : Circumference : Weight : Recommended For: Size 7: 29.5" 22 oz: Men and boys ages 15 and up. This is official size for high school, college, and the pros. Size 6: 28.5" 20 oz: Boys ages 12-14. Girls and women ages 12 and up. This is the official size for women’s high school, college, and pro basketball. Size 5: 27.5" 17 oz: Boys and girls ages 9-11 years old.
What is a regulation size basketball? Official sized basketballs measure 29.5” in circumference and have a standard weight of 22 oz. Size 7 basketballs are the standard ball size for most men's professional basketball associations, as well as men's college and high school basketball leagues.
The circumference of the basketball should be 29.5" and the weight 22 oz. Size 6 Basketball: ...
The official size of the basketball used by the NBA is 29.5 inches in circumference. That’s the same size used throughout men’s college and high school basketball leagues.
The backboard shall be a rectangle measuring 6’ horizontally and 3 ½’ vertically. The front surface shall be flat and transparent. A transparent backboard shall be marked with a 2” white rectangle...
For 9th-12th graders, a 22’2” arc is preferred, but if this line is not on a court the next available line under 22’2” is recommended. Distance of Free-Throw Line: 7-8 and 9-11 year-olds should take free throws 14 feet from the basket to develop proper form and increase success.
Size 5 is the standard basketball size for both boys and girls aged 5 - 8 years old. The Size 5 basketball has a circumference of 27.5" (69.5cm). Shop Size 5 Basketballs . SIZE 6 BASKETBALLS FOR AGES 9 - 12 YEARS. Size 6 is the standard basketball size for males aged 9 to 12 years old. The Size 6 basketball has a circumference of 28.5" (72.5cm).