Preemie |
up to 6 lbs / up to 2.7 kg |
up to 17 in. / up to 43 cm |
Newborn |
6-9 lbs / 2.7-4.1 kg |
up to 21.5 in. / up to 55 cm |
0 to 3 months |
9-12.5 lbs / 4.1 - 5.7 kg |
21.5 - 24 in. / 55 - 61 cm |
3 to 6 months |
12.5 - 17 lbs / 5.7 - 7.7 kg |
24 - 26.5 in. / 61 - 67 cm |
6 to 9 months |
17 - 21 lbs / 7.7 - 9.5 kg |
up to 28.5 in. / up to 72 cm |
0 to 9 months |
up to 21 lbs / up to 9.5 kg |
up to 28.5 in. / up to 72 cm |
12 months |
21 to 25 lbs / 9.5 -11.3 kg |
28.5 to 30.5 in. / 72 to 78 cm |
18 months |
25- 28 lbs / 11.3 - 12.7 kg |
30.5 to 32.5 in. / 78 - 83 cm |
24 months |
28 - 30 lbs / 12.7 - 13.6 kg |
32.5 to 34 in. / 83 - 86 cm |