29.5 inches
The standard for a basketball in the National Basketball Association (NBA) is 29.5 inches (75 cm) in circumference and for the Women’s National Basketball Association (WNBA), a maximum circumference of 29 inches (74 cm).
What is the diameter of a 27.5 basketball?
Basketball Size Chart – Recommended Sizes for Kids & Adults
| Size | Circumference | Weight |
|---|---|---|
| Size 7 | 29.5″ | 22 oz |
| Size 6 | 28.5″ | 20 oz |
| Size 5 | 27.5″ | 17 oz |
| Size 4 | 25.5″ | 14 oz |
What are the dimensions of an NBA basketball?
The official NBA and competitive professional basketball is 29.5” | 74.9 cm in circumference with a diameter between 9.43”-9.51” | 24-24.2 cm. Professional basketballs must be inflated to a pressure between 7.5-8.5 PSI and cannot exceed the maximum weight of 22 ounces.
Is the NBA ball bigger than NCAA?
Size 7. Size 7 basketballs measure 29.5” in circumference and have a standard weight of 22 oz. Size 7 basketballs are the standard ball size for most men’s professional basketball associations, as well as men’s college and high school basketball leagues.
What is the diameter of an official basketball?
A standard NBA basketball has a diameter between 9.43 and 9.51 inches. In the WNBA, the basketball has a diameter of between 9.07 and 9.23 inches. Basketballs used in the NCAA are between 9.39 and 9.55 inches for the men and 9.07 and 9.23 inches for the women.
What is the diameter of basketball ring?
The top of the hoop is 10 feet (305 cm) above the ground. Regulation backboards are 6 feet (183 cm) wide by 3.5 feet (107 cm) tall. All basketball rims (hoops) are 18 inches (46 cm) in diameter.
What is the circumference of the ball according to FIBA?
During NBA and FIBA play men use a Size 7 basketball, with a circumference of 75 centimetres, while women use a Size 6 ball measuring 72.5cm around.
What is the circumference of an official basketball?
A standard professional men’s basketball is 29.5 inches in circumference, leaving only a half-inch of free space for the ball to travel down through the hoop. A regulation women’s ball has a circumference of 28.5 inches. A men’s ball weighs 22 ounces, and a women’s ball weighs 20 ounces.
What is the length and width of a basketball?
A basketball court at the collegiate and professional levels measures 94 feet in length and 50 feet in width, or approximately 31.3 yards long and 16.6 yards wide. High school courts are slightly smaller in length, measuring 84 feet, or 28 yards.
What is the size of a standard basketball?
A standard NBA basketball has a diameter between 9.43 and 9.51 inches. In the WNBA , the basketball has a diameter of between 9.07 and 9.23 inches. Basketballs used in the NCAA are between 9.39 and 9.55 inches for the men and 9.07 and 9.23 inches for the women.
What is the circumference of the basketball rim?
A standard professional basketball rim has a circumference of 30 inches. Its diameter is 18 inches, and the top of the rim is 10 feet in height from the floor.
