| Wind-Umrechnung |
| Bft. | m/s | km/h | kn |
| 0 | 0 - 0.2 | < 1 | < 1 |
| 1 | 0.3 - 1.5 | 1 - 5 | 1 - 3 |
| 2 | 1.6 - 3.3 | 6 - 11 | 4 - 6 |
| 3 | 3.4 - 5.4 | 12 - 19 | 7 - 10 |
| 4 | 5.5 - 7.9 | 20 - 28 | 11 - 16 |
| 5 | 8.0 - 10.7 | 29 - 38 | 17 - 21 |
| 6 | 10.8 - 13.8 | 39 - 49 | 22 - 27 |
| 7 | 13.9 - 17.1 | 50 - 61 | 28 - 33 |
| 8 | 17.2 - 20.7 | 62 - 74 | 34 - 40 |
| 9 | 20.8 - 24.4 | 75 - 88 | 41 - 47 |
| 10 | 24.5 - 28.4 | 89 - 102 | 48 - 55 |
| 11 | 28.5 - 32.6 | 103 - 117 | 56 - 63 |
| 12 | > 32.7 | > 118 | > 64 |