How big is the basketball (how big is a normal basketball)

1.1 There are several standard size for adult basketball, men's basketball and women's basketball. 2 The men's basketball is a No. 7 ball. It weighs between 600 and 650 grams and has a circumferential length of approximately 75 to 76 centimeters. 3 The women's basketball is a No. 6 ball. It weighs between 510 and 550 grams and has a circumferential length of approximately 70 to 71 centimeters. 4 The basketball is a perfect round body and is usually made of leather rubber or synthetic materials. 5 The internal structure of the basketball includesHow old is the basketball?; The standard basketball diameter dB is 246 cm. It is divided into #7,#6,#5, 1. According to the model, the standard men's competition ball weighs 600650g, the circumference is 7576 cm2, the standard women's competition ball weighs 510550 g, the circumference is 7071 cm3, the weight is 470500g, the circumference is 6971 cm4, the weight is 300340g, the circumference is 5657cm. Extended data Basketball characteristics 1: Opposition basketball; The standard diameter of a basketball is 246 cm. Depending on the age group and gender, the model of the basketball is also different. 1 The circumference of the standard adult men's competition ball is about 7576 cm, and the diameter is about 246 cm. 2 The circumference of the standard adult women's competition ball is about 7071 cm, and the diameter is about 226 cm. 3 The circumference of the ball for young people is about 6971 cm, and the diameter is about 226 cm. 4 The diameter of the ball for children is about 26 cm. The standard for primary school students 'basketball is No. 4 ball. There are four sizes of basketball. They are No. 4, No. 5, No. 6, No. 7, No. 4 ball. The weight of the children's competition ball is 300340 g, the weight of the fifth ball for young people's competition ball is 470500 g, the weight of the sixth ball standard for women's competition ball is 510550 g, the weight of the seventh ball standard for men's competition ball is 600650g. 1 Precautions for primary school students' basketball training; Standard basketball has a diameter of 246 cm and is divided into No. 7, No. 6, No. 5, No. 1 standard men's competition balls according to model. They weigh 600 to 650 grams and have a circumference of 75 to 76 cm2 standard women's competition balls weigh 510 to 550 grams. They have a circumference of 70 to 71 cm3 youth competition balls weigh 470 to 500 grams. They have a circumference of 69 to 71 cm4 children's competition balls weigh 300 to 340 grams and a circumference of 56 to 57 cm.

2. The diameter of a standard basketball is 246 centimeters. However, in the Olympic Games, the size of the basketball will be differentiated according to gender. The No. 7 ball is used in men's basketball competition, and its circumferential size needs to be between 749 cm and 780 cm. Roughly calculated, the volume of this basketball is about 742 cubic decimeters, or 742 liters. In contrast, the circumferential size of the No. 6 ball used in women's basketball competition is slightly smaller, ranging from 724 cm.

3. The International Basketball Federation stipulates that the standard men's competition ball weighs 600650g, the circumference is 7578cm, and the diameter is 246 cm. The standard women's competition ball weighs 510550g, and the circumference is 7071cm. The weight of the No. 35 ball for young people's competition ball weighs 470500g, the circumference is 6971cm. The weight of the No. 43 ball for children's competition ball weighs 300340g, and the circumference is 5657cm. School physical education classes; The size of the No. 4 basketball is 650mm and 670mm. Regardless of its weight and size, all aspects of the size specifications are very suitable for children. Therefore, kindergartens use the No. 4 basketball to practice. Kindergarten children have not yet reached the point where they can use the standard No. 5 ball in terms of height and strength. In daily actual training and play, it is recommended to give them a transition process. Step by step, the size of the No. 5 basketball is 6971cm in circumference.

No. 4 and No. 5 basketball is generally suitable for young people aged 6 to 13. Most of them are used by children in the second to fifth grades. Theoretically, children in the sixth grade can also use No. 6 ball, or it is a bigger No. 7 ballHow old is the basketball?In addition, the diameter of the No. 5 basketball is about 22 centimeters, the circumference is about 69 to 71 centimeters, and the weight is about 470 to 500 grams. The choices for basketball for different age groups are as follows: 15 to 8; The diameter of a basketball usually ranges from about 24 centimeters to about 248 centimeters. The following are a few details on the diameter of a basketball. Standardized size is determined based on regulations from organizations such as the International Basketball Federation and the National Basketball Association, which have developed globally uniform basketball game rules, including the importance of the basketball specification parameter size range. Usually, the diameter of a basketball is 24 centimeters to 248 centimeters.

5. No. 13 basketball is suitable for children's competitions. The weight range is between 300340 grams, the circumference length is between 5657 centimeters, and the diameter is 181 centimeters. No. 25 basketball is suitable for youth competitions. The weight range is between 470500 grams, the circumference length is between 6971 centimeters, and the diameter is 220 centimeters. No. 36 basketball is a standard women's competition ball. The weight range is between 510550 grams, and the circumference length is between 7071 centimeters. The diameter is 226 cm 47; The models of adult basketball are divided into men's No. 7 ball and women's No. 6 ball. Men's adult basketball uses No. 7 ball. This is also a men's standard ball. Its weight must be between 600 grams and 650 grams. The circumference of the ball must not be less than 749 centimeters., nor can it be greater than 78 centimeters. The most ideal circumference range is between 75 centimeters and 76 centimeters. Women's adult basketball uses No. 6 ball, which is also a women's standard ball, and its weight must be between 510 grams and 550 grams.

6. 1 The standard diameter of a basketball is 246 cm2 basketballs are divided into #7,#6, and #5 according to the model. Each has different uses and specifications. The standard men's competition ball weighs 600650 grams, and the circumference is 7576 centimeters. The standard women's competition ball weighs 510550 grams. The circumference is 7071 centimeters. The weight is 470500 grams. The circumference is 6971 centimeters. The weight is 300340 grams. Circumference 5657 cm; The diameter of a basketball usually ranges from about 24 centimeters to about 248 centimeters. As a sport, the size of the basketball used is standardized to ensure fairness and consistency of the game. The diameter of basketball is one of the important indicators to measure its size. The following are about the diameter of basketball. The diameter of basketball is determined according to regulations of organizations such as the International Basketball Federation and the National Basketball Association of the United States, which have developed a globally unified basketball; The size of the No. 5 basketball is as follows. Its circumference is between 69 and 71 centimeters, its weight is between 470 and 500 grams, and the winding line length is 1500 meters. This kind of basketball is specially designed for youth competitions. In addition to No. 5 basketball, there are also the following basketball models. No. 1 7 basketball weighs between 600 and 650 grams, its circumference is 75 to 76 centimeters, and the winding line length is 2060 meters. This is the standard basketball used in men's competition. Basketball number 2 and 6 weighs between 510 and 510.