Clothing Size for a 6–9 Month Old

What clothing size fits a 6–9 month old? Lead with height — a 6–9 month old is typically 68–74 cm tall.

A 6–9 month old typically wears US 6–9M (EU/UK 74 cm). But age is only a guide — measure your child's height and choose by that.

6–9 months → US 6–9M

EU/UK 74 cm · height 68–74 cm · weight 8–9 kg

Full baby & kids size chart (measure height to be sure):

US	EU/UK (cm)	Age	Height	Weight
Newborn	56 cm	0–1 month	50–56 cm	2.5–4 kg
0–3M	62 cm	0–3 months	56–62 cm	4–6 kg
3–6M	68 cm	3–6 months	62–68 cm	6–8 kg
6–9M	74 cm	6–9 months	68–74 cm	8–9 kg
9–12M	80 cm	9–12 months	74–80 cm	9–11 kg
12–18M	86 cm	12–18 months	80–86 cm	11–12 kg
18–24M	92 cm	18–24 months	86–92 cm	12–14 kg
2T	98 cm	2 years	92–98 cm	13–15 kg
3T	104 cm	3 years	98–105 cm	14–16 kg
4T	110 cm	4 years	105–112 cm	16–18 kg
5	116 cm	5 years	110–118 cm	18–21 kg
6	122 cm	6 years	116–122 cm	20–23 kg
7	128 cm	7 years	122–128 cm	23–26 kg
8	134 cm	8 years	128–134 cm	25–30 kg
10	140 cm	10 years	134–140 cm	30–36 kg
12	152 cm	12 years	140–152 cm	36–45 kg
14	158 cm	14 years	152–158 cm	45–50 kg

⚠️ Measure, don't guess by age. Children of the same age vary a lot — choose by height and size up if they're between sizes or growing fast.

What size clothes for a 6–9 month old?

Typically US 6–9M (EU/UK 74 cm), for a child about 68–74 cm tall and 8–9 kg. Measure height to be sure.

Should I buy by age or size?

By height. Children of the same age vary widely, so height (the EU/UK cm label) is the reliable guide — size up if they're growing fast.

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