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.
regular?????
27.5
She needs to play netball not basketball. For gods sake your a girl play netball..............................(SIZE 4)
A youth size ball, size 27.5... and from like 8 to 12 they should use a 28 or 29.
28.5 inch diameter
A youth ball, about 27.5 inches.
they only use five
Youth
umm 13 year old girls should probabl use a 28 to 28.5...
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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.