| input |
|---|
| 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) |
| french; charriere | 658 368 F | 1 316 736 F | 1 975 104 F | 2 633 472 F | 3 291 840 F | 3 950 208 F | 4 608 576 F | 5 266 944 F | 5 925 312 F | 6 583 680 F | 7 242 048 F | 7 900 416 F | 8 558 784 F | 9 217 152 F | 9 875 520 F | 10 533 888 F | 11 192 256 F | 11 850 624 F | 12 508 992 F | 13 167 360 F | 13 825 728 F | 14 484 096 F | 15 142 464 F | 15 800 832 F | 16 459 200 F | 17 117 568 F | 17 775 936 F | 18 434 304 F | 19 092 672 F | 19 751 040 F | 20 409 408 F | 21 067 776 F | 21 726 144 F | 22 384 512 F | 23 042 880 F | 23 701 248 F | 24 359 616 F | 25 017 984 F | 25 676 352 F | 26 334 720 F | 26 993 088 F | 27 651 456 F | 28 309 824 F | 28 968 192 F | 29 626 560 F | 30 284 928 F | 30 943 296 F | 31 601 664 F | 32 260 032 F | 32 918 400 F | 33 576 768 F | 34 235 136 F | 34 893 504 F | 35 551 872 F | 36 210 240 F | 36 868 608 F | 37 526 976 F | 38 185 344 F | 38 843 712 F | 39 502 080 F | 40 160 448 F | 40 818 816 F | 41 477 184 F | 42 135 552 F | 42 793 920 F | 43 452 288 F | 44 110 656 F | 44 769 024 F | 45 427 392 F | 46 085 760 F | 46 744 128 F | 47 402 496 F | 48 060 864 F | 48 719 232 F | 49 377 600 F | 50 035 968 F | 50 694 336 F | 51 352 704 F | 52 011 072 F | 52 669 440 F | 53 327 808 F | 53 986 176 F | 54 644 544 F | 55 302 912 F | 55 961 280 F | 56 619 648 F | 57 278 016 F | 57 936 384 F | 58 594 752 F | 59 253 120 F | 59 911 488 F | 60 569 856 F | 61 228 224 F | 61 886 592 F | 62 544 960 F | 63 203 328 F | 63 861 696 F | 64 520 064 F | 65 178 432 F | 65 836 800 F |
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) | french; charriere | cable length (US) | french; charriere |
|---|---|---|---|
| 1 | = 658368 | 4 | = 2633472 |
| 1.5 | = 987552 | 4.5 | = 2962656 |
| 2 | = 1316736 | 5 | = 3291840 |
| 2.5 | = 1645920 | 5.5 | = 3621024 |
| 3 | = 1975104 | 6 | = 3950208 |
The French scale or French gauge system is commonly used to measure the size of a catheter. It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, Ga, FR or F. It may also be abbreviated as CH or Ch (for Charrière, its inventor).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| french; charriere | F | ≡ 1⁄3 mm | = 0.3×10−3 m | Other (Length) |
| french; charriere | cable length (US) | french; charriere | cable length (US) |
|---|---|---|---|
| 1 | = 1.5189073588024E-6 | 4 | = 6.0756294352095E-6 |
| 1.5 | = 2.2783610382036E-6 | 4.5 | = 6.8350831146107E-6 |
| 2 | = 3.0378147176047E-6 | 5 | = 7.5945367940119E-6 |
| 2.5 | = 3.7972683970059E-6 | 5.5 | = 8.353990473413E-6 |
| 3 | = 4.5567220764071E-6 | 6 | = 9.1134441528142E-6 |
| cable length (US) | french; charriere |
|---|---|
| 1 | = 658 368 |
| 1.5189073588024 × 10-6 | = 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 …) |