Chosen Sports Leagues Store

Basketball Sizes by Chosen Sports League Divisions Silver Division Basketball Size: Size 4 (Youth) Age Group: Grades 1–2 Circumference: 25.5 inches Weight: 14 ounces Gold Division Basketball Size: Sizes 5 & 6 (Junior & Intermediate) Age Group: Grades 3–5 Circumference: Size 5: 27.5 inches Size 6: 28.5 inches Weight: Size 5: 17 ounces Size 6: 20 ounces Platinum Division Basketball Size: Size 6 (Intermediate) Age Group: Middle School (Grades 6–8) Circumference: 28.5 inches Weight: 20 ounces Titanium Division Basketball Size: Size 7 (Official Size) Age Group: High School (Grades 9–12) Circumference: 29.5 inches Weight: 22 ounces