US 6 in EU and UK sizes
A men’s US 6 (or 6Y) is EU 37–38 and UK 5; a women’s US 6 is EU 35.5–36 and UK 3.5 by the standard size tables.
The men’s fits a foot of 23.3 to 23.7 cm and the women’s fits a foot of 22.0 to 22.4 cm. A kids’ 6C is much smaller: EU 21.5–22, for a foot of up to 13.3 cm.
Three shoes called US 6
The number alone doesn’t say whose size it is. For the same US 6, each is for a different foot:
US 6 in every size system
| System | Men’s US 6 | Women’s US 6 | Kids’ 6C |
|---|---|---|---|
| Foot length (cm) | 23.3–23.7 | 22.0–22.4 | 12.9–13.3 |
| Foot length (in) | 9.17–9.33 | 8.67–8.83 | 5.08–5.25 |
| EU | 37–38 | 35.5–36 | 21.5–22 |
| UK | 5 | 3.5 | 5.5–6 |
| Japan (cm) | 23.5–24 | 22.5 | 13–13.5 |
| Mondopoint (mm) | 235–240 | 225 | 130–135 |
| Australia and NZ | 5 | 6 | 5.5–6 |
| India (UK sizes) | 5 | 3.5 | 5.5–6 |
| South Korea and China (mm) | 235–240 | 225 | 130–135 |
| Brazil | 35–36 | 34 | 20 |
From the standard size tables; where the foot range spans more than one size, the first and last are shown.
What 36 brands print next to a US 6
Each brand’s own chart, on the row for its US 6: brands differ by half a size or more in UK and EU.
As printed on each brand’s chart, linked; “—” where the chart has no such size or column. Not affiliated with any brand.
Convert another size
Size tables checked 2026-10-23; brand sizes from each brand’s own charts, linked above. An estimate to help you choose: fit varies by brand and model.