Preemie (0) 2-4 lbs
Newborn (1) 5-10 lbs
3-6 Month (3) 11-14 lbs
6-9 Month (6) 15-18 lbs
9-12 Month (9) 19-22 lbs
12 Months (12) 23-25 lbs
18 Months (18) 26-28 lbs
2T 29-31 lbs
3T 31-34 lbs
4T 34-38 lbs
5T 38-42 lbs