in cm :
Size | US | Shoulder | Length | Sleeve Length | Bust | Cuff | Bicep Length |
8Y | 50IN | 47.5 | 34.5 | 40.5 | 91 | 18 | 32.5 |
9Y | 53IN | 49 | 36 | 42.5 | 94 | 18.4 | 33.3 |
10Y | 55IN | 50.5 | 37.5 | 44.5 | 97 | 18.8 | 34.1 |
11-12Y | 60IN | 53.5 | 40.5 | 48.5 | 103 | 19.6 | 35.7 |