The standard size of a basketball varies depending on the level of play:
1. NBA and Men’s Professional Basketball (Size 7):
– Circumference: 29.5 inches (75 cm)
– Weight: 22 ounces (620 grams)
2. Women’s Professional Basketball (Size 6):
– Circumference: 28.5 inches (72 cm)
– Weight: 20 ounces (570 grams)
3. Youth Basketball (Size 5):
– Circumference: 27.5 inches (70 cm)
– Weight: 17 ounces (480 grams)
4. Youth Basketball (Size 4):
– Circumference: 25.5 inches (65 cm)
– Weight: 14 ounces (400 grams)
These sizes are generally used for different age groups and competitions. For most adult men’s play, the Size 7 ball is considered the standard.
