Blundstone Sizing
| AU/UK(Men) | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 |
| Foot length | 237 | 246 | 246 | 254 | 254 | 262 | 262 | 271 |
| USA Men | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 |
| AU/USA Women | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | |
| EU Size | 38 | 38.5 | 39 | 40 | 41 | 41.5 | 42 | 42.5 |
| AU/UK(Men) | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| Foot length | 271 | 280 | 280 | 288 | 288 | 296 | 305 |
| USA Men | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 |
| AU/USA Women | 12 | ||||||
| EU Size | 43 | 43.5 | 44 | 45 | 46 | 46.5 | 47 |