<P> A basketball ( basketball ball ) is a spherical ball used in basketball games . Basketballs typically range in size from very small promotional items only a few inches in diameter to extra large balls nearly a foot in diameter used in training exercises . For example , a youth basketball could be 27 inches ( 69 cm ) in circumference , while an National Collegiate Athletic Association ( NCAA ) men 's ball would be a maximum of 30 inches ( 76 cm ) and an NCAA women 's ball would be a maximum of 29 inches ( 74 cm ) . The standard for a basketball in the National Basketball Association ( NBA ) is 29.5 inches ( 75 cm ) in circumference and for the Women 's National Basketball Association ( WNBA ) , a maximum circumference of 29 inches ( 74 cm ) . High school and junior leagues normally use NCAA , NBA or WNBA sized balls . </P>
<P> A basketball ( basketball ball ) is a spherical ball used in basketball games . Basketballs typically range in size from very small promotional items only a few inches in diameter to extra large balls nearly a foot in diameter used in training exercises . For example , a youth basketball could be 27 inches ( 69 cm ) in circumference , while an National Collegiate Athletic Association ( NCAA ) men 's ball would be a maximum of 30 inches ( 76 cm ) and an NCAA women 's ball would be a maximum of 29 inches ( 74 cm ) . The standard for a basketball in the National Basketball Association ( NBA ) is 29.5 inches ( 75 cm ) in circumference and for the Women 's National Basketball Association ( WNBA ) , a maximum circumference of 29 inches ( 74 cm ) . High school and junior leagues normally use NCAA , NBA or WNBA sized balls . </P>
what type of basketball does the nba use
what type of basketball does the nba use
29.5 inches ( 75 cm ) in circumference
29.5 inches ( 75 cm ) in circumference