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Spalding basketballs come in three official sizes. Size 7 (29.5") is the standard for men and the NBA. Size 6 (28.5") is for women, the WNBA, and boys aged 12–14. Size 5 (27.5") is for youth players aged 9–12.

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BASKETBALL Size Chart

Basketball Size Chart

Size Circumference (inches) Weight (ounces) Ages
Official/Full (7) 29.5" 20-22 oz. Official size of Men’s Leagues 13+
Mid/Intermediate (6) 28.5" 18-20 oz. Official Size of all Women’s Leagues and youth players ages 9-12
Youth (5) 27.5" 16-18 oz. Ages 9 and under
Mini 22" 10.5 oz. Recreational/Novelty
Spalding Footbal Image

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About Spalding

Spalding manufactured the official NBA game ball for nearly four decades (1983--2021) and remains one of the most trusted names in basketball equipment worldwide. The TF series (TF-1000, TF-500, TF-250) covers every surface and skill level, from premium indoor composite to durable outdoor rubber. Use the tables below to find the right ball size for your age group and playing style.

Even after the NBA's switch to Wilson, Spalding remains the ball of choice for countless leagues, schools, and pickup courts around the world. From official FIBA-approved match balls to recreational outdoor options, Spalding's range has something for every level. Choose your size and surface below.