Body Measurements
US size	size	Height(IN)	Bust(IN)	Waist (IN)
9-12M	80	31.5	18.9-19.7	18.9-19.7
12-24M	90	35.5	20.5-21.5	20.5-21.3
3-4Y	100	39.5	21.5-22.6	20.3-21.5
4-5Y	110	43	22.6-23.8	21.5-22.6
5-6Y	120	47	23.8-25	22.6-23.8
7-8Y	130	51	25-27.8	23-25
9-10Y	140	55	28.5-29.7	25.8-27
10-11Y	150	59	29.7-31.7	27-28.9
12-13Y	160	63	31.7-33.7	28.9-30.9

*Depending on your body type and dressing habits, the above sizes are for reference only.