Baby & Toddler Size Guide – Find the Right Carter’s Fit Skip to content

America's No. 1 Babywear Brand

Dressing Babies in 90+ Countries

sizes made simple

Find the right sized clothes, shoes and other Carter's items for your baby, toddler, or big kid. Check sizes for their height and weight in metric or imperial units
logo
Carter’s
Size
Approx.
Age
Metric Size US Size
Height
(cm)
Weight
(kg)
Height
(in)
Weight
(lb)
NB NB 46–55 cm 2.7–4 kg 18–21.5" 6–9 lb
3M 0–3M 55–61 cm 4–5.7 kg 21.5–24" 9–12.5 lb
6M 3–6M 61–69 cm 5.7–7.5 kg 24–27" 12.5–17 lb
9M 6–9M 69–72 cm 7.5–9.3 kg 27–28.5" 17–21 lb
12M 9–12M 72–76 cm 9.3–11.1 kg 28.5–30" 21–25 lb
18M 12–18M 76–81 cm 11.1–12.5 kg 30–32" 25–28 lb
24M 18–24M 81–86 cm 12.5–13.6 kg 32–34" 28–30 lb
2T 2–3 Years 88–93 cm 13.2–14.1 kg 35–36.5" 29–31 lb
3T 3–4 Years 93–98 cm 14.1–15 kg 36.5–39" 31–33 lb
4T 4–5 Years 98–105 cm 15.4–17 kg 39–41.5" 34–37.5 lb
5T 5–6 Years 105–115 cm 17–19 kg 41.5–44" 37.5–42 lb