| 水深単位早見表 | ||||
| ヒロ | メートル | ヒロ | メートル | |
| 10 | 15 | 26 | 39 | |
| 11 | 16.5 | 27 | 40.5 | |
| 12 | 18 | 28 | 42 | |
| 13 | 19.5 | 29 | 43.5 | |
| 14 | 21 | 30 | 45 | |
| 15 | 22.5 | 31 | 46.5 | |
| 16 | 24 | 32 | 48 | |
| 17 | 25.5 | 33 | 49.5 | |
| 18 | 27 | 34 | 51 | |
| 19 | 28.5 | 35 | 52.5 | |
| 20 | 30 | 36 | 54 | |
| 21 | 31.5 | 37 | 55.5 | |
| 22 | 33 | 38 | 57 | |
| 23 | 34.5 | 39 | 58.5 | |
| 24 | 36 | 40 | 60 | |
| 25 | 37.5 | 41 | 61.5 | |
| *1ヒロ=1.5m | ||||