Tip: Crocs come in whole sizes only. If you typically wear a half size, we recommend you order a size Down.
| Crocs Size (US) | UK Size | EU Sizes | JP Size | Foot Length (mm) |
|---|---|---|---|---|
| M3W5 | W3 | 34-35 | 21 | 201-210 |
| M4W6 | M3 | W4 | 36-37 | 22 | 211-220 |
| M5W7 | M4 | W5 | 37-38 | 23 | 221-230 |
| M6W8 | M5 | W6 | 38-39 | 24 | 231-240 |
| M7W9 | M6 | W7 | 39-40 | 25 | 241-250 |
| M8W10 | M7 | W8 | 41-42 | 26 | 251-260 |
| M9W11 | M8 | W9 | 42-43 | 27 | 261-270 |
| M10W12 | M9 | W10 | 43-44 | 28 | 271-280 |
| M11 | M10 | 45-46 | 29 | 281-290 |
| M12 | M11 | 46-47 | 30 | 291-300 |
| M13 | M12 | 48-49 | 31 | 301-310 |
Adult Socks Sizes
| Sock Size | Shoe |
|---|---|
| Small | Women’s 5-7.5 Men’s 3-8.5 |
| Medium | Women’s 8-10.5 Men’s 6-8.5 |
| Large | Women’s 11-13 Men’s 9-13 |
| X-Large | Men’s 13.5-16 |
