Yes, the basketball used in the WNBA is slightly smaller than the one used in the NBA. The official size of a WNBA basketball has a circumference of 28.5 inches (72.4 cm) and weighs about 20 ounces (567 grams). In comparison, the NBA basketball has a circumference of 29.5 inches (75 cm) and weighs 22 ounces (624 grams). This difference in size and weight is designed to accommodate the different physical demands and playing styles between men’s and women’s basketball.
