It depends what size Basketball you have but the normal size is ten inches.
The standard diameter of a basketball rim is 45cm.
The basketball ring is 18 inches in diameter while the ball is nine inches in diameter.
The diameter of an NCAA (and NBA) basketball is approximately 9 inches (22.86 cm). This is a size 7 basketball.
The size of a middle school size basketball is 19.5 diameter.
12 in diameter
The average diameter of a standard issue basketball from the NBA is 29.5 inches. This gives it an inner diameter on average of 18 inches.
A woman's basketball has a circumference of 28.5 inches. This makes it one inch smaller than the man's basketball. The woman's basketball has a diameter of 9.076 inches.
The diameter is 9.390 inches (approx).
A basketball rim's circumference is 62 inches. Its diameter is twice the ball's diameter or 18 inches.
A women's basketball is 28.5 cm in diameter
The diameter of a basketball is about Nine Inches.
The diameter of a basketball rim is 18 inches.
11 inch diameter
ANSWER 18 inches in diameter ANSWER 18 inches in diameter, but really it just depends if it is NBA basketball, collage or a different type of basketball, some basketball rings are different.
regulation size is18 inches in diameter