| french; charriere | 1 F | 2 F | 3 F | 4 F | 5 F | 6 F | 7 F | 8 F | 9 F | 10 F | 11 F | 12 F | 13 F | 14 F | 15 F | 16 F | 17 F | 18 F | 19 F | 20 F | 21 F | 22 F | 23 F | 24 F | 25 F | 26 F | 27 F | 28 F | 29 F | 30 F | 31 F | 32 F | 33 F | 34 F | 35 F | 36 F | 37 F | 38 F | 39 F | 40 F | 41 F | 42 F | 43 F | 44 F | 45 F | 46 F | 47 F | 48 F | 49 F | 50 F | 51 F | 52 F | 53 F | 54 F | 55 F | 56 F | 57 F | 58 F | 59 F | 60 F | 61 F | 62 F | 63 F | 64 F | 65 F | 66 F | 67 F | 68 F | 69 F | 70 F | 71 F | 72 F | 73 F | 74 F | 75 F | 76 F | 77 F | 78 F | 79 F | 80 F | 81 F | 82 F | 83 F | 84 F | 85 F | 86 F | 87 F | 88 F | 89 F | 90 F | 91 F | 92 F | 93 F | 94 F | 95 F | 96 F | 97 F | 98 F | 99 F | 100 F |
| cable length (International) | 1.7998560115191 × 10-6 cable length (International) | 3.5997120230382 × 10-6 cable length (International) | 5.3995680345572 × 10-6 cable length (International) | 7.1994240460763 × 10-6 cable length (International) | 8.9992800575954 × 10-6 cable length (International) | 1.0799136069114 × 10-5 cable length (International) | 1.2598992080634 × 10-5 cable length (International) | 1.4398848092153 × 10-5 cable length (International) | 1.6198704103672 × 10-5 cable length (International) | 1.7998560115191 × 10-5 cable length (International) | 1.979841612671 × 10-5 cable length (International) | 2.1598272138229 × 10-5 cable length (International) | 2.3398128149748 × 10-5 cable length (International) | 2.5197984161267 × 10-5 cable length (International) | 2.6997840172786 × 10-5 cable length (International) | 2.8797696184305 × 10-5 cable length (International) | 3.0597552195824 × 10-5 cable length (International) | 3.2397408207343 × 10-5 cable length (International) | 3.4197264218862 × 10-5 cable length (International) | 3.5997120230382 × 10-5 cable length (International) | 3.7796976241901 × 10-5 cable length (International) | 3.959683225342 × 10-5 cable length (International) | 4.1396688264939 × 10-5 cable length (International) | 4.3196544276458 × 10-5 cable length (International) | 4.4996400287977 × 10-5 cable length (International) | 4.6796256299496 × 10-5 cable length (International) | 4.8596112311015 × 10-5 cable length (International) | 5.0395968322534 × 10-5 cable length (International) | 5.2195824334053 × 10-5 cable length (International) | 5.3995680345572 × 10-5 cable length (International) | 5.5795536357091 × 10-5 cable length (International) | 5.7595392368611 × 10-5 cable length (International) | 5.939524838013 × 10-5 cable length (International) | 6.1195104391649 × 10-5 cable length (International) | 6.2994960403168 × 10-5 cable length (International) | 6.4794816414687 × 10-5 cable length (International) | 6.6594672426206 × 10-5 cable length (International) | 6.8394528437725 × 10-5 cable length (International) | 7.0194384449244 × 10-5 cable length (International) | 7.1994240460763 × 10-5 cable length (International) | 7.3794096472282 × 10-5 cable length (International) | 7.5593952483801 × 10-5 cable length (International) | 7.739380849532 × 10-5 cable length (International) | 7.9193664506839 × 10-5 cable length (International) | 8.0993520518359 × 10-5 cable length (International) | 8.2793376529878 × 10-5 cable length (International) | 8.4593232541397 × 10-5 cable length (International) | 8.6393088552916 × 10-5 cable length (International) | 8.8192944564435 × 10-5 cable length (International) | 8.9992800575954 × 10-5 cable length (International) | 9.1792656587473 × 10-5 cable length (International) | 9.3592512598992 × 10-5 cable length (International) | 9.5392368610511 × 10-5 cable length (International) | 9.719222462203 × 10-5 cable length (International) | 9.8992080633549 × 10-5 cable length (International) | 0.0001008 cable length (International) | 0.0001026 cable length (International) | 0.0001044 cable length (International) | 0.0001062 cable length (International) | 0.0001080 cable length (International) | 0.0001098 cable length (International) | 0.0001116 cable length (International) | 0.0001134 cable length (International) | 0.0001152 cable length (International) | 0.0001170 cable length (International) | 0.0001188 cable length (International) | 0.0001206 cable length (International) | 0.0001224 cable length (International) | 0.0001242 cable length (International) | 0.0001260 cable length (International) | 0.0001278 cable length (International) | 0.0001296 cable length (International) | 0.0001314 cable length (International) | 0.0001332 cable length (International) | 0.0001350 cable length (International) | 0.0001368 cable length (International) | 0.0001386 cable length (International) | 0.0001404 cable length (International) | 0.0001422 cable length (International) | 0.0001440 cable length (International) | 0.0001458 cable length (International) | 0.0001476 cable length (International) | 0.0001494 cable length (International) | 0.0001512 cable length (International) | 0.0001530 cable length (International) | 0.0001548 cable length (International) | 0.0001566 cable length (International) | 0.0001584 cable length (International) | 0.0001602 cable length (International) | 0.0001620 cable length (International) | 0.0001638 cable length (International) | 0.0001656 cable length (International) | 0.0001674 cable length (International) | 0.0001692 cable length (International) | 0.0001710 cable length (International) | 0.0001728 cable length (International) | 0.0001746 cable length (International) | 0.0001764 cable length (International) | 0.0001782 cable length (International) | 0.0001800 cable length (International) |
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).
| 1 french; charriere = 1.7998560115191E-6 cable length (International) | 4 french; charriere = 7.1994240460763E-6 cable length (International) |
| 1.5 french; charriere = 2.6997840172786E-6 cable length (International) | 4.5 french; charriere = 8.0993520518359E-6 cable length (International) |
| 2 french; charriere = 3.5997120230382E-6 cable length (International) | 5 french; charriere = 8.9992800575954E-6 cable length (International) |
| 2.5 french; charriere = 4.4996400287977E-6 cable length (International) | 5.5 french; charriere = 9.8992080633549E-6 cable length (International) |
| 3 french; charriere = 5.3995680345572E-6 cable length (International) | 6 french; charriere = 1.0799136069114E-5 cable length (International) |
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:
| 1 cable length (International) = 555600 french; charriere | 4 cable length (International) = 2222400 french; charriere |
| 1.5 cable length (International) = 833400 french; charriere | 4.5 cable length (International) = 2500200 french; charriere |
| 2 cable length (International) = 1111200 french; charriere | 5 cable length (International) = 2778000 french; charriere |
| 2.5 cable length (International) = 1389000 french; charriere | 5.5 cable length (International) = 3055800 french; charriere |
| 3 cable length (International) = 1666800 french; charriere | 6 cable length (International) = 3333600 french; charriere |
| 1 french; charriere = 1.7998560115191 × 10-6 cable length (International) |
| 1 cable length (International) = 555 600 french; charriere |