UK to US Kids Shoe Size Conversion Chart
Convert British children's shoe sizes (Clarks, Next, Start-rite, Marks & Spencer) into American US sizing with exact foot length measurements.
Quick Answer (UK to US Sizing):
UK kids shoe sizes are approximately 1 whole size smaller than US sizes. To convert UK to US, add 1 to the UK number (e.g., UK 7 = US 8C, UK 10 = US 11C, UK 1 = US 2Y). Both systems use 1/3-inch increments, so the offset remains constant.
Official UK to US Kids Sizing Matrix
British Barleycorn Scale| UK Size | US Kids Size | EU Size | Max Foot (cm) | Max Foot (in) | Category |
|---|---|---|---|---|---|
| UK 0 | US 0C | EU 15 | 7.6 cm | 2.99" | toddler |
| UK 0.5 | US 1C | EU 16 | 8.5 cm | 3.35" | toddler |
| UK 1 | US 2C | EU 17 | 9.2 cm | 3.62" | toddler |
| UK 2 | US 3C | EU 18 | 10.0 cm | 3.94" | toddler |
| UK 2.5 | US 3.5C | EU 18.5 | 10.4 cm | 4.09" | toddler |
| UK 3 | US 4C | EU 19 | 10.8 cm | 4.25" | toddler |
| UK 3.5 | US 4.5C | EU 19.5 | 11.2 cm | 4.41" | toddler |
| UK 4 | US 5C | EU 20 | 11.6 cm | 4.57" | toddler |
| UK 4.5 | US 5.5C | EU 21 | 12.0 cm | 4.72" | toddler |
| UK 5 | US 6C | EU 22 | 12.5 cm | 4.92" | toddler |
| UK 5.5 | US 6.5C | EU 22.5 | 12.9 cm | 5.08" | toddler |
| UK 6 | US 7C | EU 23 | 13.3 cm | 5.24" | toddler |
| UK 6.5 | US 7.5C | EU 23.5 | 13.7 cm | 5.39" | toddler |
| UK 7 | US 8C | EU 24 | 14.1 cm | 5.55" | toddler |
| UK 7.5 | US 8.5C | EU 25 | 14.5 cm | 5.71" | toddler |
| UK 8 | US 9C | EU 25.5 | 14.9 cm | 5.87" | toddler |
| UK 8.5 | US 9.5C | EU 26 | 15.3 cm | 6.02" | toddler |
| UK 9 | US 10C | EU 27 | 15.7 cm | 6.18" | toddler |
| UK 9.5 | US 10.5C | EU 27.5 | 16.1 cm | 6.34" | little kid |
| UK 10 | US 11C | EU 28 | 16.5 cm | 6.50" | little kid |
| UK 10.5 | US 11.5C | EU 28.5 | 17.0 cm | 6.69" | little kid |
| UK 11 | US 12C | EU 29 | 17.4 cm | 6.85" | little kid |
| UK 11.5 | US 12.5C | EU 30 | 17.8 cm | 7.01" | little kid |
| UK 12 | US 13C | EU 31 | 18.2 cm | 7.17" | little kid |
| UK 12.5 | US 13.5C | EU 31.5 | 18.7 cm | 7.36" | little kid |
| UK 13 | US 1Y | EU 32 | 19.1 cm | 7.52" | youth |
| UK 13.5 | US 1.5Y | EU 33 | 19.5 cm | 7.68" | youth |
| UK 1 | US 2Y | EU 33.5 | 20.0 cm | 7.87" | youth |
| UK 1.5 | US 2.5Y | EU 34 | 20.4 cm | 8.03" | youth |
| UK 2 | US 3Y | EU 35 | 20.8 cm | 8.19" | youth |
| UK 2.5 | US 3.5Y | EU 35.5 | 21.3 cm | 8.39" | youth |
| UK 3 | US 4Y | EU 36 | 21.7 cm | 8.54" | youth |
| UK 3.5 | US 4.5Y | EU 36.5 | 22.1 cm | 8.70" | youth |
| UK 4 | US 5Y | EU 37.5 | 22.6 cm | 8.90" | youth |
| UK 4.5 | US 5.5Y | EU 38 | 23.0 cm | 9.06" | youth |
| UK 5 | US 6Y | EU 38.5 | 23.5 cm | 9.25" | youth |
| UK 5.5 | US 6.5Y | EU 39 | 23.9 cm | 9.41" | youth |
| UK 6 | US 7Y | EU 40 | 24.5 cm | 9.65" | youth |
Frequently Asked Questions About UK to US Sizing
Helpful fit allowances, measuring wisdom, and sizing advice for parents.
What is a UK size 7 in US kids?
A British UK size 7 in children's shoes corresponds to a US Size 8C (Toddler) / EU 24, fitting a maximum foot length of 14.1 cm (5.55 inches).
What is UK 11 kids in US size?
A UK 11 kids shoe corresponds to a US Size 12C (Little Kid) / EU 29, fitting foot lengths up to 17.4 cm (6.85 inches).
How much smaller are UK shoe sizes than US shoe sizes?
UK children's shoe sizes run approximately one whole size smaller than US children's sizes (UK Size + 1 = US Size). For instance, UK 9 is US 10C, and UK 12 is US 13C.
What do the Clarks UK width letters (E, F, G, H) mean?
British brands like Clarks use width letters: 'E' is Narrow, 'F' is Standard/Medium, 'G' is Wide, and 'H' is Extra Wide. Standard US kids shoes default to 'M' (Medium), which matches British 'F'.