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According to the regulation hoop diameter is 18 inches (inside the rim). Other sizes are available for practice or games other than regulation Basketball. Use a search engine to find "basketball" +"hoop diameter".

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9y ago

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More answers

Basketballs come in four sizes. They are usually measured by their circumference, but this can be converted to diamerter and radius easily enough.

  • Size 3: circumference 22 to 22.5 inches, weight 10-11 ounces, recommended for small children (age 5-8). It has a diameter of 7 to 7.16 inches and a radius of 3.5 to 3.58 inches.
  • Size 5: circumference 27.25 to 27.75 inches, weight 16.6-18 ounces recommended for boys and girls under 12 years old (junior league). It has a diameter of 8.67 to 8.83 inches and a radius of 4.34 to 4.42 inches.
  • Size 6: circumference 28.5 to 29 inches, weight 20 ounces, recommended for boys and 12-14 and girls and women age 12 and up. This is the official game ball for women's high school, university and professional basketball. It has a diameter of 9.07 to 9.23 inches and a radius of 4.54 to 4.62 inches.
  • Size 7: circumference 29.5 to 30 inches, weight 22 ounces, recommended for men and boys age 15 and up. This is the official game ball for men's high school, university and professional basketball. It has a diameter of 9.39 to 9.55 inches and a radius of 4.7 to 4.77 inches.
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15y ago
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The diameter of an official NBA basketball hoop is 18 inches, about an inch less than twice the diameter of a men's ball. Other sizes are available for practice or games other than regulation basketball.

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10y ago
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Bigger than 10 Inches yeah i know but HOW big they want

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16y ago
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The radius of a standard rim on a basketball net is 22.5cm, making the diameter 45cm.

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13y ago
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baskets are made of metal ring with an inside diameter of eighteen inches.

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14y ago
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The rim is 18 Inches

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Wiki User

13y ago
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18 inches

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Wiki User

12y ago
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=== ===

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Wiki User

16y ago
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Q: Basketball hoop size
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