The diameter of the basketball (basketball size table No. 1 to No. 7)

Diameter 190 cm 748 inches Weight 300 to 340 g 06 to 07 lb Circumferential length 56 to 57 cm 22 to 224 inch BasketballThe diameter of the basketballMaintenance is equally importantThe diameter of the basketball, to extend its service life 1 Avoid contact with moisture Before and after use, avoid water on the basketball, because moisture will cause the basketball leather to expand, which may cause rupture 2 Avoid heavy pressure and exposure. Do not press heavy objects on the basketball, nor should you use it.

The standard basketball has a diameter of 246 cm. The basketball has the following models: No. 3 ball for children's training and learning. It is a children's competition ball and weighs 300340g. The No. 5 ball has a diameter of 17818cm. The No. 5 ball weighs 470500g. The No. 6 ball has a diameter of 219226cm. The No. 6 ball weighs 510550g. The No. 7 ball has a diameter of 22226cm. The No. 7 ball weighs 600.

The color should be very different from the color of the sideline and end line. The support of the basketball stand should be at least 1m away from the outer edge of the end line. The backboard should be 180m wide and 105m high. The lower edge should be 290m away from the ground. The original 180m×120m size of the backboard can still be used. 3 The bottom edge and support of the backboard should be properly wrapped. The upper edge of the basket should be 305m away from the ground. The diameter of the basket should be 17~ 2 cm, and the diameter of the basket should be 45 cm.

2 A standard basketball has a diameter of 239248 cm, a circumference of 7578 cm, and a weight of 600650 grams. 3 A standard volleyball has a diameter of 207213 cm, a circumference of 6567 cm, and a weight of 255346 grams.

1 A standard men's basketball has a diameter of 246 centimeters, weighs between 600 and 650 grams, and has a circumference length of between 75 and 76 centimeters. 2 A standard women's basketball has a diameter of 246 centimeters, weighs between 510 and 550 grams, and has a circumference length of between 70 and 71 centimeters. 3 The diameter of a youth basketball is 246 centimeters, weighs between 470 and 500 grams, and has a circumference length of between 69 and 71 centimeters. 4 The diameter of a children's basketball is 246 centimeters. Weight is 300.

The biggest difference between No. 5, No. 6, No. 7 basketballs lies in the size of the ball and the different models of the users. Size, weight, circumference diameter, is different. No. 17 basketballs weigh 600650 grams, circumference 7576 cm, diameter 246 cm, weight, weight, 510550 grams, circumference, 7071 cm, diameter, 226 cm, and 35 basketballs weigh 470500 grams, circumference, 6971 cm, diameter, 220 cm.

1 The diameter of a standard basketball is 246 cm, while the diameter of the basket ring is 45 cm. 2 The size of the basketball is divided into different levels. Standard men's competition ball Size 7 weighs 600650 g, diameter 7576 cm Standard women's competition ball Size 6 weighs 510550 g, diameter 7071 cm Standard youth competition ball Size 5 weighs 470500 g, and diameter 6971 cm for children.

The standard basketball diameter dB is 246 cm, and the standard weight of a basketball is 600650 grams.

The diameter of a small basketball is 18 cm and the circumference is 61 cm. This kind of basketball is often used in children's or entertainment competitions. Different brands of small basketball in the market will have slight differences, but most will meet this standard. The diameter of a medium basketball is 20 cm and the circumference of a 65 cm. This kind of basketball is suitable for amateur competitions and training. When selecting a medium basketball, hit resistance and elasticity are the key factors. The diameter of a large basketball is 22 cm and the circumference of a medium basketball is 70 cm.