Seac Motus fin sizing. Imperial in bold, metric underneath.
| Size EU | Size UK | Size US | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|---|---|
| 35/36 | 3/4 | 3/3.5 |
2.09 948 |
33.07 84 |
| 36/38 | 3.5/5 | 4.5/5.5 |
2.09 948 |
33.07 84 |
| 39/40 | 5.5/6.5 | 6.5/7 |
2.13 965 |
33.85 86 |
| 41/42 | 7/8 | 8/8.5 |
2.14 972 |
34.25 87 |
| 43/44 | 8.5/9.5 | 9.5/10 |
2.19 993 |
34.64 88 |
| 45/46 | 10/11 | 10/11 |
2.35 1064 |
35.43 90 |
| 47/48 | 12/13 | 12.5/13.5 |
2.51 1138 |
35.82 91 |
From Seac’s chart: * The indicated weight refers to a single fin
Source: Seac’s size chart (original chart).