Seac F-100 Pro fin sizing. Imperial in bold, metric underneath.
| Size EU | Size UK | Size US | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|---|---|
| 36/37 | 4/4.5 | 4/5 |
1.31 593 |
22.44 57 |
| 38/39 | 5.5/6.5 | 6/6.5 |
1.28 580 |
22.44 57 |
| 40/41 | 7/7.5 | 7/8 |
1.56 707 |
24.21 61.5 |
| 42/43 | 8/9 | 8.5/9.5 |
1.85 839 |
25.59 65 |
| 44/45 | 10/11 | 10/11 |
2.03 923 |
26.37 67 |
| 46/47 | 11.5/12.5 | 12/12.5 |
2.07 940 |
26.37 67 |
* The indicated weight refers to a single fin
Source: Seac’s size chart (original chart).