EU 18 in US and UK sizes
EU 18 is a kids’ US 2.5C–3C and UK 2.5–3 by the standard size tables: a toddler size.
It fits a foot of 10.3 to 10.7 cm.
On the brands’ own kids’ charts, EU 18 is US 3C at adidas, Liberty and 4 more; US 2.5 at New Balance and Timberland; US 2C at Converse. Brands size their shoes on their own lasts, so check the brand you’re buying.
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EU 18 in every size system
| System | Men’s | Women’s | Kids |
|---|---|---|---|
| Foot length (cm) | 10.3–10.7 | 10.3–10.7 | 10.3–10.7 |
| US | — | — | 2.5C–3C |
| UK | — | — | 2.5–3 |
| Mondopoint (mm) | 105–110 | 105–110 | 105–110 |
| Japan (cm) | 10.5–11 | 10.5–11 | 10.5–11 |
| India (UK sizes) | — | — | 2.5–3 |
| Australia and NZ | — | — | 2.5–3 |
| South Korea (mm) | 105–110 | 105–110 | 105–110 |
| China (mm) | 105–110 | 105–110 | 105–110 |
| Mexico (cm) | 10.5–11 | 10.5–11 | 10.5–11 |
| Brazil | 16 | 16 | 16 |
| Argentina, Uruguay, Paraguay | 17 | 17 | 17 |
From the standard size tables. A size fits a range of feet; where that range spans two sizes in another system, both are shown. A dash means the system has no size there.
What 12 brands print next to EU 18
| Brand | Kids’ chart |
|---|---|
| adidas size chart (opens the brand’s site) | US 3kUK 2k · EU 18 |
| Bata size chart (opens the brand’s site) | EU 18UK 2 |
| Clarks size chart (opens the brand’s site) | UK 2.5EU 18 |
| Converse size chart (opens the brand’s site) | US 2CUK 2 · EU 18 |
| Dr. Martens size chart (opens the brand’s site) | UK 2US 3 · EU 18 |
| Golden Goose size chart (opens the brand’s site) | EU 18US 3 · UK 2.5 |
| Liberty size chart (opens the brand’s site) | UK 2CUS 3C · EU 18 |
| Merrell size chart (opens the brand’s site) | US 3UK 2.5 · EU 18 |
| New Balance size chart (opens the brand’s site) | US 2.5UK 2 · EU 18 |
| Timberland size chart (opens the brand’s site) | US 2.5UK 2 · EU 18 |
| UGG size chart (opens the brand’s site) | US 2/3UK 2 · EU 18 |
| Vans size chart (opens the brand’s site) | US 3CUK 2.5 · EU 18 |
The row each brand’s own chart prints for EU 18, linked. Brands without that exact size on a chart are left out. Not affiliated with any brand.
Size tables checked 2026-10-23; brand sizes from each brand’s own chart, linked above. An estimate to help you choose: fit varies by brand and model. Not medical advice.