| Age | Gender | Basketball Size |
| 9-11 | Youth | Size 5(27.5 inches) |
| 12 and up | Women, girls | Size 6(28.5 inches) |
| 12-14 | Boys | Size 6(28.5 inches) |
| 15 and up | Men | Size 7(29.5 inches) |
29.5 inches(size 7) Full size
This basketball size is termed as a full size. NBA uses this size officially. This size is also recommended by the college and high school basketball leagues for the boys for more than 15 years and men
28.5 inches(size 6) Intermediate size
This size is called intermediate and seems suitable to Women, girls (more than twelve years old) and boys’ ages between twelve to fifteen Women’s leagues, including the WNBA, use this size officially.
27.5 inches(size 5) Junior Size
It is the recommended size for boys and girls ages nine to eleven. This size is termed as junior and an official size for basketball leagues
25.5 inches (size 4) Rookie Size
This basketball ball size is referred to rookie and suitable for the boys and girls ages below nine and quite easy to handle if they just started to play around with a basketball. At some places, a ball size of 24.5 inches is also used for the kids of four years plus. These sizes are recommended by the coaches after measuring the palm-size of the kids
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My name is Kaz, and I am a devoted basketball enthusiast with over 15 years of experience both as a player and a coach. Beginning my career as an assistant coach for a college team, I soon found tremendous success as a professional basketball coach. I derive immense pleasure from assisting and mentoring others in matters pertaining to basketball equipment, and as such, I freely share my training programs with my followers and readers via my blog. Learn more about me on my about page.
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