What size ball does 14U use?
Rule- USA
- USA Water Polo
- 14U
- 14 and under
- Club water polo
- 2026-27 rules
- Parents
Size 4 (the women's compact ball) for both boys and girls at 14U.
USA Water Polo's Conduct of Championships sets these ball sizes for the National Junior Olympics and Champions Cup:
| Division | Ball |
|---|---|
| 16U and 18U boys | Size 5 (men's) |
| 14U boys and girls, 16U and 18U girls | Size 4 (women's compact) |
| 12U boys, girls and mixed | Size 3 (intermediate) |
| 10U girls and mixed | Size 2 (junior) |
Under the USA Water Polo Rules (WP 3), a women's ball weighs 400-450 grams, measures 0.65-0.67 meters around and is inflated to 6.5-7.5 psi.
Added 21 Oct 2026