A 7-year old boy should use the Junior International Size 5 basketball. The basketball has a circumference between 27.25 to 27.75 inches.
28.5 inch diameter
you schould use size 5
You would use size 6
28.5 basketball If u start young you'll be a great basketball player Good luck God bless y'all
There is no size that they should use. There is a recommended size, which is the intermediate size. However, most young boys and girls end up using the professional size.
An 8 year old boy will typically use a normal fully sized basketball. These children may use smaller balls as well.
They should have size 9
Depends on his size and position.
for a 11 year old boy it should be around 4-5