Blundstone Shoe Size Chart - 2018
| Men's US | Women's US | UK/AU |
| 3 | 5 | 2 |
| 3.5 | 5.5 | 2.5 |
| 4 | 6 | 3 |
| 4.5 | 6.5 | 3.5 |
| 5 | 7 | 4 |
| 5.5 | 7.5 | 4.5 |
| 6 | 8 | 5 |
| 6.5 | 8.5 | 5.5 |
| 7 | 9 | 6 |
| 7.5 | 9.5 | 6.5 |
| 8 | 10 | 7 |
| 8.5 | 10.5 | 7.5 |
| 9 | 11 | 8 |
| 9.5 | 11.5 | 8.5 |
| 10 | 12 | 9 |
| 10.5 | 12.5 | 9.5 |
| 11 | 13 | 10 |
| 11.5 | | 10.5 |
| 12 | | 11 |
| 13 | | 12 |
| 14 | | 13 |
| 15 | | 14 |