US 2.5 in EU and UK sizes
A men’s US 2.5 (or 2.5Y) is EU 32.5–33.5 and UK 1.5; a women’s US 2.5 is EU 31–31.5 and UK 12.5–13 by the standard size tables.
The men’s fits a foot of 20.3 to 20.7 cm and the women’s fits a foot of 19.0 to 19.5 cm. A kids’ 2.5C is much smaller: EU 17–18, for a foot of up to 10.4 cm.
Three shoes called US 2.5
The number alone doesn’t say whose size it is. For the same US 2.5, each is for a different foot:
US 2.5 in every size system
| System | Men’s US 2.5 | Women’s US 2.5 | Kids’ 2.5C |
|---|---|---|---|
| Foot length (cm) | 20.3–20.7 | 19.0–19.5 | 9.95–10.4 |
| Foot length (in) | 8.00–8.17 | 7.50–7.67 | 3.92–4.08 |
| EU | 32.5–33.5 | 31–31.5 | 17–18 |
| UK | 1.5 | 12.5–13 | 2–2.5 |
| Japan (cm) | 20.5–21 | 19.5 | 10–10.5 |
| Mondopoint (mm) | 205–210 | 195 | 100–105 |
| Australia and NZ | 1.5 | 2.5 | 2–2.5 |
| India (UK sizes) | 1.5 | 12.5–13 | 2–2.5 |
| South Korea and China (mm) | 205–210 | 195 | 100–105 |
| Brazil | 31–32 | 29–30 | 15–16 |
From the standard size tables; where the foot range spans more than one size, the first and last are shown.
What 1 brand prints next to a US 2.5
Each brand’s own chart, on the row for its US 2.5: brands differ by half a size or more in UK and EU.
| Brand | Men’s 2.5: UK · EU | Women’s 2.5: UK · EU |
|---|---|---|
| New Balance | 2 · 34 on New Balance’s men’s chart (opens the brand’s site) | — |
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.