Kids Shoe Size Converter — UK, US & EU Chart

Q: How do I convert UK kids shoe size to US?

Add 1 to the UK kids shoe size: UK 8 = US 9, UK 10 = US 11.

Convert children's shoe sizes between UK, US, EU and measure foot length in cm. Complete size guide from baby shoes to junior sizes, with age guide.

Children's shoe size chart — UK, US & EU

Children's shoes are measured from infant (size 0) through junior (size 6). Always measure your child's foot — sizes vary significantly by brand.

UK Kids	US Kids	EU	Foot length (cm)	Age (approx.)
0	1	15–16	9–10	0–3 months
1	2	17	10.5	3–6 months
2	3	18–19	11.5	6–9 months
3	4	19–20	12.5	9–12 months
4	5	20–21	13.5	12–18 months
5	6	22	14.5	18–24 months
6	7	23	15.5	2–3 yrs
7	8	24–25	16.5	3–4 yrs
8	9	26	17	4–5 yrs
9	10	27	18	5–6 yrs
10	11	28–29	19	6–7 yrs
11	12	29–30	20	7–8 yrs
12	13	30–31	20.5	8–9 yrs
13	1 (youth)	31–32	21	9–10 yrs
1 (junior)	2 (youth)	33	22	10–11 yrs
2 (junior)	3 (youth)	34–35	22.5	11–12 yrs
3 (junior)	4 (youth)	35–36	23	12+ yrs

💡 How to measure your child's foot: Stand them on a piece of paper, trace around the foot, and measure the longest distance heel to toe in centimetres. Always measure both feet and use the larger measurement. Add 1–1.5cm growing room.

How to convert kids shoe sizes

UK children's shoe sizes start at 0 (newborn) and go up to 13, then restart at 1 for junior sizes. US kids sizes run approximately 1 size above UK. EU sizes follow the Paris point system and don't align as neatly — always verify using the foot length in cm for EU shoes.

Kids shoe sizing by age — what to expect

Age	UK size	US size	EU size
Newborn–3m	0	1	15–16
6–9 months	2	3	18
1 year	3–4	4–5	19–21
2 years	5–6	6–7	22–23
3 years	7–8	8–9	24–25
4 years	8–9	9–10	26–27
5 years	9–10	10–11	27–28
6 years	10–11	11–12	28–29
7–8 years	11–12	12–13	29–31
9–10 years	13–1J	1–2Y	31–33
11–12 years	2J–3J	3Y–4Y	34–36

Frequently asked questions

How do I convert UK kids shoe size to US?

Add 1 to a UK kids shoe size to get the US equivalent. UK 8 = US 9, UK 10 = US 11. This rule applies for most children's sizes up to junior.

What age is shoe size 5 UK children's?

UK children's size 5 is typically worn by children around 18–24 months old, with a foot length of approximately 14.5cm.

When do children move from kids to junior sizes?

After UK size 13, children move to junior sizes (1J, 2J, 3J...). This typically happens around age 9–10 but varies significantly by child.

What EU size is UK children's size 10?

UK children's size 10 is approximately EU 28–29. Always use the foot length in cm for the most accurate EU shoe sizing, as brands vary.