Size Guide — Threadshed Studio | UK Kids Fashion Sizing

💡 Measuring Tip: Measure your child while standing upright. Use a soft tape measure and measure in centimetres. For height, use a flat wall. When between sizes, size up for tops and dresses; use the waist measurement for bottoms.

👶 Newborn & Baby (0–24M)

Size	Age	Weight (kg)	Height (cm)	Chest (cm)
NB	0–1 month	Up to 4kg	Up to 53cm	36cm
0–3M	0–3 months	3.5–6kg	53–61cm	38cm
3–6M	3–6 months	5.5–7.5kg	61–67cm	41cm
6–12M	6–12 months	7–10kg	67–74cm	44cm
12M	9–12 months	9–11kg	71–76cm	46cm
18M	12–18 months	11–13kg	76–82cm	48cm
24M	18–24 months	12–14.5kg	82–86cm	51cm

🌸 Toddler Girls (2Y–5Y)

Size	Age	Weight (kg)	Height (cm)	Waist (cm)
2Y / 92	2 years	12–14kg	86–92cm	51cm
3Y / 98	3 years	14–16kg	92–98cm	52cm
4Y / 104	4 years	16–18kg	98–104cm	53cm
5Y / 110	5 years	18–20kg	104–110cm	54cm

🦋 Girls (4–10Y) — UK Sizing

UK Size	Age	Height (cm)	Chest (cm)	Waist (cm)	Hip (cm)
4 / 104	3–4 yrs	101–107cm	56–57cm	53cm	58cm
5 / 110	4–5 yrs	107–113cm	57–59cm	54cm	61cm
6 / 116	5–6 yrs	113–119cm	59–61cm	55cm	64cm
7 / 122	6–7 yrs	119–125cm	61–63cm	56cm	66cm
8 / 128	7–8 yrs	125–131cm	63–66cm	57cm	68cm
9 / 134	8–9 yrs	131–137cm	66–68cm	58cm	70cm
10 / 140	9–10 yrs	137–143cm	68–71cm	60cm	74cm

✨ Tweens (XS–L / 10–14Y)

Size	Age	Height (cm)	Chest (cm)	Waist (cm)	Hip (cm)
XS / 10	10–11 yrs	140–146cm	71–74cm	60–63cm	76–79cm
S / 12	11–12 yrs	146–152cm	74–78cm	63–65cm	80–83cm
M / 12–13	12–13 yrs	152–158cm	78–82cm	65–67cm	84–87cm
L / 14	13–14 yrs	158–164cm	82–86cm	67–70cm	88–91cm

Still not sure about sizing?

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Size Guide 📏

👶 Newborn & Baby (0–24M)

🌸 Toddler Girls (2Y–5Y)

🦋 Girls (4–10Y) — UK Sizing

✨ Tweens (XS–L / 10–14Y)

Still not sure about sizing?