Caterpillar Size Conversion
| US | UK | EU |
|---|---|---|
| 12.5 | 12 | 30.5 |
| 13 | 12.5 | 31 |
| 13.5 | 13 | 32 |
| 1 | 13.5 | 32.5 |
| 1.5 | 1 | 33 |
| 2 | 1.5 | 33.5 |
| 2.5 | 2 | 34.5 |
| 3 | 2.5 | 35 |
| 3.5 | 3 | 35.5 |
| 4 | 3.5 | 36 |
| 4.5 | 4 | 37 |
| 5 | 4.5 | 37.5 |
| 5.5 | 5 | 38 |
| 6 | 5.5 | 38.5 |
| 6.5 | 6 | 39.5 |
| 7 | 6.5 | 40 |
| US | UK | EU |
|---|---|---|
| 12.5 | 12 | 30.5 |
| 13 | 12.5 | 31 |
| 13.5 | 13 | 32 |
| 1 | 13.5 | 32.5 |
| 1.5 | 1 | 33 |
| 2 | 1.5 | 33.5 |
| 2.5 | 2 | 34.5 |
| 3 | 2.5 | 35 |
| 3.5 | 3 | 35.5 |
| 4 | 3.5 | 36 |
| 4.5 | 4 | 37 |
| 5 | 4.5 | 37.5 |
| 5.5 | 5 | 38 |
| 6 | 5.5 | 38.5 |
| 6.5 | 6 | 39.5 |
| 7 | 6.5 | 40 |