| 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 |
| foot, metric | 0.0010541 mf | 0.0021082 mf | 0.0031623 mf | 0.0042164 mf | 0.0052705 mf | 0.0063246 mf | 0.0073786 mf | 0.0084327 mf | 0.0094868 mf | 0.0105409 mf | 0.0115950 mf | 0.0126491 mf | 0.0137032 mf | 0.0147573 mf | 0.0158114 mf | 0.0168655 mf | 0.0179196 mf | 0.0189737 mf | 0.0200278 mf | 0.0210819 mf | 0.0221359 mf | 0.0231900 mf | 0.0242441 mf | 0.0252982 mf | 0.0263523 mf | 0.0274064 mf | 0.0284605 mf | 0.0295146 mf | 0.0305687 mf | 0.0316228 mf | 0.0326769 mf | 0.0337310 mf | 0.0347851 mf | 0.0358391 mf | 0.0368932 mf | 0.0379473 mf | 0.0390014 mf | 0.0400555 mf | 0.0411096 mf | 0.0421637 mf | 0.0432178 mf | 0.0442719 mf | 0.0453260 mf | 0.0463801 mf | 0.0474342 mf | 0.0484883 mf | 0.0495424 mf | 0.0505964 mf | 0.0516505 mf | 0.0527046 mf | 0.0537587 mf | 0.0548128 mf | 0.0558669 mf | 0.0569210 mf | 0.0579751 mf | 0.0590292 mf | 0.0600833 mf | 0.0611374 mf | 0.0621915 mf | 0.0632456 mf | 0.0642996 mf | 0.0653537 mf | 0.0664078 mf | 0.0674619 mf | 0.0685160 mf | 0.0695701 mf | 0.0706242 mf | 0.0716783 mf | 0.0727324 mf | 0.0737865 mf | 0.0748406 mf | 0.0758947 mf | 0.0769488 mf | 0.0780028 mf | 0.0790569 mf | 0.0801110 mf | 0.0811651 mf | 0.0822192 mf | 0.0832733 mf | 0.0843274 mf | 0.0853815 mf | 0.0864356 mf | 0.0874897 mf | 0.0885438 mf | 0.0895979 mf | 0.0906520 mf | 0.0917061 mf | 0.0927601 mf | 0.0938142 mf | 0.0948683 mf | 0.0959224 mf | 0.0969765 mf | 0.0980306 mf | 0.0990847 mf | 0.1001388 mf | 0.1011929 mf | 0.1022470 mf | 0.1033011 mf | 0.1043552 mf | 0.1054093 mf |
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 ≈ 0.0010540925533789 feet, metric | 4 french; charriere ≈ 0.0042163702135157 feet, metric |
| 1.5 french; charriere ≈ 0.0015811388300684 feet, metric | 4.5 french; charriere ≈ 0.0047434164902051 feet, metric |
| 2 french; charriere ≈ 0.0021081851067578 feet, metric | 5 french; charriere ≈ 0.0052704627668946 feet, metric |
| 2.5 french; charriere ≈ 0.0026352313834473 feet, metric | 5.5 french; charriere ≈ 0.0057975090435841 feet, metric |
| 3 french; charriere ≈ 0.0031622776601368 feet, metric | 6 french; charriere ≈ 0.0063245553202735 feet, metric |
A metric foot is a nickname for a preferred number length of 3 basic modules (3 M), or 30 centimetres (11.811 in). The 30 cm metric ruler was a similar length to the traditional imperial one-foot ruler. A metric foot is 4.8 millimetres (0.189 in) shorter than an imperial foot.
| 1 feet, metric ≈ 948.68329806 french; charriere | 4 feet, metric ≈ 3794.73319224 french; charriere |
| 1.5 feet, metric ≈ 1423.02494709 french; charriere | 4.5 feet, metric ≈ 4269.07484127 french; charriere |
| 2 feet, metric ≈ 1897.36659612 french; charriere | 5 feet, metric ≈ 4743.4164903 french; charriere |
| 2.5 feet, metric ≈ 2371.70824515 french; charriere | 5.5 feet, metric ≈ 5217.75813933 french; charriere |
| 3 feet, metric ≈ 2846.04989418 french; charriere | 6 feet, metric ≈ 5692.09978836 french; charriere |
| 1 french; charriere ≈ 0.0010541 feet, metric |
| 1 feet, metric ≈ 948.6832981 french; charriere |