Infant and Toddler Sizes

Size Weight (lbs) Weight (kg) Height (in) Height (cm)
Preemie Up to 7 Up to 3 Up to 19 Up to 48
Newborn 6–9 2.5–4 18–21 46–53
0–3M 9–12 4–5 21–23 53–58
3–6M 12–17 5–8 23–27 58–69
6–12M 17–22 8–10 27–29 69–74
12–18M 22–25 10–11 29–31 74–79
18–24M 25–27 11–12 31–33 79–84
2T 27–30 12–13.5 33–35 84–89
3T 28–32 12.5–14.5 35–37 89–94
4T 33–36 15–16 37–40 94–102