30" for men
The official basketball rings has a an inside circumference of 18". In between 45-46 cm is equivalent to 18". It also has a cord net of 15".
Oh, dude, basketball and ring-ball are like distant cousins at a family reunion - they both involve throwing a ball into a hoop, so that's a start. They both require some level of hand-eye coordination, and, like, you can totally play them with friends for a good time. But hey, don't stress too much about it, it's not like they're twins separated at birth or anything.
28.5" in circumference
The men's size seven basketball has a circumference between 29.5 and 30 inches. The women's size six basketball has a circumference between 28.5 and 28 7/8 inches. The junior size five basketball has a circumference between 27.25 and 27.75 inches. The mini size three basketball has a circumference between 22 and 22.5 inches.
No
RING is by far the best basketball player
20 to 22 ounces and 29.5 to 30 inches in circumference for mens basketball.
No
A womens basketball is 28.5" in circumference and a mens basketball is 29.5" in circumference.
RING is by far the better basketball player
The center circle on an NBA regulation basketball court has a circumference of 37.7 feet (37 feet 8.4 inches).