cable length (US) | 1 cable length (US) | 2 cable length (US) | 3 cable length (US) | 4 cable length (US) | 5 cable length (US) | 6 cable length (US) | 7 cable length (US) | 8 cable length (US) | 9 cable length (US) | 10 cable length (US) | 11 cable length (US) | 12 cable length (US) | 13 cable length (US) | 14 cable length (US) | 15 cable length (US) | 16 cable length (US) | 17 cable length (US) | 18 cable length (US) | 19 cable length (US) | 20 cable length (US) | 21 cable length (US) | 22 cable length (US) | 23 cable length (US) | 24 cable length (US) | 25 cable length (US) | 26 cable length (US) | 27 cable length (US) | 28 cable length (US) | 29 cable length (US) | 30 cable length (US) | 31 cable length (US) | 32 cable length (US) | 33 cable length (US) | 34 cable length (US) | 35 cable length (US) | 36 cable length (US) | 37 cable length (US) | 38 cable length (US) | 39 cable length (US) | 40 cable length (US) | 41 cable length (US) | 42 cable length (US) | 43 cable length (US) | 44 cable length (US) | 45 cable length (US) | 46 cable length (US) | 47 cable length (US) | 48 cable length (US) | 49 cable length (US) | 50 cable length (US) | 51 cable length (US) | 52 cable length (US) | 53 cable length (US) | 54 cable length (US) | 55 cable length (US) | 56 cable length (US) | 57 cable length (US) | 58 cable length (US) | 59 cable length (US) | 60 cable length (US) | 61 cable length (US) | 62 cable length (US) | 63 cable length (US) | 64 cable length (US) | 65 cable length (US) | 66 cable length (US) | 67 cable length (US) | 68 cable length (US) | 69 cable length (US) | 70 cable length (US) | 71 cable length (US) | 72 cable length (US) | 73 cable length (US) | 74 cable length (US) | 75 cable length (US) | 76 cable length (US) | 77 cable length (US) | 78 cable length (US) | 79 cable length (US) | 80 cable length (US) | 81 cable length (US) | 82 cable length (US) | 83 cable length (US) | 84 cable length (US) | 85 cable length (US) | 86 cable length (US) | 87 cable length (US) | 88 cable length (US) | 89 cable length (US) | 90 cable length (US) | 91 cable length (US) | 92 cable length (US) | 93 cable length (US) | 94 cable length (US) | 95 cable length (US) | 96 cable length (US) | 97 cable length (US) | 98 cable length (US) | 99 cable length (US) | 100 cable length (US) |
rope | 36 rope | 72 rope | 108 rope | 144 rope | 180 rope | 216 rope | 252 rope | 288 rope | 324 rope | 360 rope | 396 rope | 432 rope | 468 rope | 504 rope | 540 rope | 576 rope | 612 rope | 648 rope | 684 rope | 720 rope | 756 rope | 792 rope | 828 rope | 864 rope | 900 rope | 936 rope | 972 rope | 1 008 rope | 1 044 rope | 1 080 rope | 1 116 rope | 1 152 rope | 1 188 rope | 1 224 rope | 1 260 rope | 1 296 rope | 1 332 rope | 1 368 rope | 1 404 rope | 1 440 rope | 1 476 rope | 1 512 rope | 1 548 rope | 1 584 rope | 1 620 rope | 1 656 rope | 1 692 rope | 1 728 rope | 1 764 rope | 1 800 rope | 1 836 rope | 1 872 rope | 1 908 rope | 1 944 rope | 1 980 rope | 2 016 rope | 2 052 rope | 2 088 rope | 2 124 rope | 2 160 rope | 2 196 rope | 2 232 rope | 2 268 rope | 2 304 rope | 2 340 rope | 2 376 rope | 2 412 rope | 2 448 rope | 2 484 rope | 2 520 rope | 2 556 rope | 2 592 rope | 2 628 rope | 2 664 rope | 2 700 rope | 2 736 rope | 2 772 rope | 2 808 rope | 2 844 rope | 2 880 rope | 2 916 rope | 2 952 rope | 2 988 rope | 3 024 rope | 3 060 rope | 3 096 rope | 3 132 rope | 3 168 rope | 3 204 rope | 3 240 rope | 3 276 rope | 3 312 rope | 3 348 rope | 3 384 rope | 3 420 rope | 3 456 rope | 3 492 rope | 3 528 rope | 3 564 rope | 3 600 rope |
A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms. The unit is named after the length of a ship's anchor cable in the Age of Sail. The definition varies:
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
cable length (US) | ≡ 720 ft | = 219.456 m | Imperial/US |
cable length (US) | ropes | cable length (US) | ropes |
---|---|---|---|
1 | = 36 | 4 | = 144 |
1.5 | = 54 | 4.5 | = 162 |
2 | = 72 | 5 | = 180 |
2.5 | = 90 | 5.5 | = 198 |
3 | = 108 | 6 | = 216 |
A rope may refer to any of several units of measurement initially determined or formed by ropes or knotted cords.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
rope | rope | ≡ 20 ft | = 6.096 m | Other (Length) |
ropes | cable length (US) | ropes | cable length (US) |
---|---|---|---|
1 | = 0.027777777777778 | 4 | = 0.11111111111111 |
1.5 | = 0.041666666666667 | 4.5 | = 0.125 |
2 | = 0.055555555555556 | 5 | = 0.13888888888889 |
2.5 | = 0.069444444444444 | 5.5 | = 0.15277777777778 |
3 | = 0.083333333333333 | 6 | = 0.16666666666667 |
cable length (US) | ropes |
---|---|
1 | = 36 |
0.0277778 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |