| 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 |
| ell | 0.0002916 ell | 0.0005833 ell | 0.0008749 ell | 0.0011665 ell | 0.0014582 ell | 0.0017498 ell | 0.0020414 ell | 0.0023330 ell | 0.0026247 ell | 0.0029163 ell | 0.0032079 ell | 0.0034996 ell | 0.0037912 ell | 0.0040828 ell | 0.0043745 ell | 0.0046661 ell | 0.0049577 ell | 0.0052493 ell | 0.0055410 ell | 0.0058326 ell | 0.0061242 ell | 0.0064159 ell | 0.0067075 ell | 0.0069991 ell | 0.0072908 ell | 0.0075824 ell | 0.0078740 ell | 0.0081656 ell | 0.0084573 ell | 0.0087489 ell | 0.0090405 ell | 0.0093322 ell | 0.0096238 ell | 0.0099154 ell | 0.0102071 ell | 0.0104987 ell | 0.0107903 ell | 0.0110819 ell | 0.0113736 ell | 0.0116652 ell | 0.0119568 ell | 0.0122485 ell | 0.0125401 ell | 0.0128317 ell | 0.0131234 ell | 0.0134150 ell | 0.0137066 ell | 0.0139983 ell | 0.0142899 ell | 0.0145815 ell | 0.0148731 ell | 0.0151648 ell | 0.0154564 ell | 0.0157480 ell | 0.0160397 ell | 0.0163313 ell | 0.0166229 ell | 0.0169146 ell | 0.0172062 ell | 0.0174978 ell | 0.0177894 ell | 0.0180811 ell | 0.0183727 ell | 0.0186643 ell | 0.0189560 ell | 0.0192476 ell | 0.0195392 ell | 0.0198309 ell | 0.0201225 ell | 0.0204141 ell | 0.0207057 ell | 0.0209974 ell | 0.0212890 ell | 0.0215806 ell | 0.0218723 ell | 0.0221639 ell | 0.0224555 ell | 0.0227472 ell | 0.0230388 ell | 0.0233304 ell | 0.0236220 ell | 0.0239137 ell | 0.0242053 ell | 0.0244969 ell | 0.0247886 ell | 0.0250802 ell | 0.0253718 ell | 0.0256635 ell | 0.0259551 ell | 0.0262467 ell | 0.0265383 ell | 0.0268300 ell | 0.0271216 ell | 0.0274132 ell | 0.0277049 ell | 0.0279965 ell | 0.0282881 ell | 0.0285798 ell | 0.0288714 ell | 0.0291630 ell |
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 = 0.00029163021289006 ell | 4 french; charriere = 0.0011665208515602 ell |
| 1.5 french; charriere = 0.00043744531933508 ell | 4.5 french; charriere = 0.0013123359580052 ell |
| 2 french; charriere = 0.00058326042578011 ell | 5 french; charriere = 0.0014581510644503 ell |
| 2.5 french; charriere = 0.00072907553222514 ell | 5.5 french; charriere = 0.0016039661708953 ell |
| 3 french; charriere = 0.00087489063867017 ell | 6 french; charriere = 0.0017497812773403 ell |
An ell (from Proto-Germanic *alinō, cognate with Latin ulna) is a unit of measurement, originally a cubit, i.e., approximating the length of a man's arm from the elbow ("elbow" means the bend or bow of the ell or arm) to the tip of the middle finger, or about 18 inches (457 mm); in later usage, any of several longer units.
| 1 ell = 3429 french; charriere | 4 ell = 13716 french; charriere |
| 1.5 ell = 5143.5 french; charriere | 4.5 ell = 15430.5 french; charriere |
| 2 ell = 6858 french; charriere | 5 ell = 17145 french; charriere |
| 2.5 ell = 8572.5 french; charriere | 5.5 ell = 18859.5 french; charriere |
| 3 ell = 10287 french; charriere | 6 ell = 20574 french; charriere |
| 1 french; charriere = 0.0002916 ell |
| 1 ell = 3 429 french; charriere |