how much is a basketball weigh
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. 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. International basketballs for men's play have a circumference of 78 centimeters -- 30.7 inches -- and are referred to as size 7.