American
size	weight (lbs)	height (inches)
0-3 months	7 - 11	17 - 22
3-6 months	11 - 16	22 - 26
6-12 months	16 - 21	26 - 28
12-18 months	21 - 26	28 - 30
18-24 months	26 - 29	30 - 32
2T	29 - 32	32 - 35
3T	32 - 35	35 - 38
4T	35 - 40	38 - 41

Metric
size	weight (kg)	height (cm)
0-3 months	3 - 5	43 - 56
3-6 months	5 - 7	56 - 66
6-12 months	7 - 10	66 - 71
12-18 months	10 - 12	71 - 76
18-24 months	12 - 13	76 - 81
2T	13 - 15	81 - 89
3T	15 - 16	89 - 97
4T	16 - 18	97 - 104