Ncaa women s basketballs are a maximum of 29 inches in circumference with a maximum weight of 20 ounces and seams no wider than 1 4 inch. Boys and girls ages 9 11 years old.
A Detailed List Of Various Official Basketball Sizes Sports Aspire
Girls and women ages 12 and up.
Basketball size and weight. 28 5 in 72 cm 724 737 mm 28 5 29 0 in 20 oz 570 g 510 567 g 18 20 oz. This is the official size for men s high school college and professional. Size type circumference weight notes on basketball 7.
Men and boys ages 15 and up. Ncaa men s basketballs have a maximum circumference of 30 inches and the seams must be no wider than 1 4 inch with a weight of approximately 22 ounces. 29 5 in 75 cm 749 780 mm 29 5 30 7 in 22 oz 620 g 567 650 g 20 23 oz men and boys ages 15 and up.
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. This is the official size for women s high school college and pro basketball.
This is official size for high school college and the pros.