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.
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The circumference of a men's ball is 29.5 inches. The size is also known as size 7. The cirumference of a women's ball is 28.5 inches. This size is also known as size 6. In some youth basketball...
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.
Boys and girls aged 6 and under: Size 3 ball (22 inch circumference, 10 oz.,) and size 4 ball (25.5 inch circumference, 14 oz.,) depending on the strength and development of the child. These are the general guidelines for basketball sizes for all players.
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.
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.
Basketball size 7, Men: Circumference: 29.5'' - 30'' 75-76 cm Weight: 20 - 22 oz 567 - 624 g: Players: Size 7 is the official "standard" basketball for men and boys from 12 yrs and up. Basketball Size 6, Women: Circumference: 28.5'' - 29'' 72 - 74 cm Weight: 18 - 20 oz 510 - 567 g: Players: Ball size 6 is women's official basketball size.
The standard basketball size is 7 – 29.5 inches in circumference. It is the official size of the NBA league and all the professional basketball leagues for men. However, the standard size for women is 6 – 28.5 circumference.
For boys, a size 6 basketball should be used between the ages of 12 and 13. For girls, a size 6 basketball should be used once they hit 12-years-old and is the official size used at the high school, college, and professional level. The circumference of the basketball should be 28.5" and the weight 20 oz.
National Basketball League. To begin with, the NBA basketball is produced by Spalding, and the official size for men’s tournaments has to be 29.5 inches in circumference. With a weight of 22 oz., the ball can be inflated with a pressure range of 7.5 to 8.5 psi.