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 |
inch | 0.0131234 in | 0.0262467 in | 0.0393701 in | 0.0524934 in | 0.0656168 in | 0.0787402 in | 0.0918635 in | 0.1049869 in | 0.1181102 in | 0.1312336 in | 0.1443570 in | 0.1574803 in | 0.1706037 in | 0.1837270 in | 0.1968504 in | 0.2099738 in | 0.2230971 in | 0.2362205 in | 0.2493438 in | 0.2624672 in | 0.2755906 in | 0.2887139 in | 0.3018373 in | 0.3149606 in | 0.3280840 in | 0.3412073 in | 0.3543307 in | 0.3674541 in | 0.3805774 in | 0.3937008 in | 0.4068241 in | 0.4199475 in | 0.4330709 in | 0.4461942 in | 0.4593176 in | 0.4724409 in | 0.4855643 in | 0.4986877 in | 0.5118110 in | 0.5249344 in | 0.5380577 in | 0.5511811 in | 0.5643045 in | 0.5774278 in | 0.5905512 in | 0.6036745 in | 0.6167979 in | 0.6299213 in | 0.6430446 in | 0.6561680 in | 0.6692913 in | 0.6824147 in | 0.6955381 in | 0.7086614 in | 0.7217848 in | 0.7349081 in | 0.7480315 in | 0.7611549 in | 0.7742782 in | 0.7874016 in | 0.8005249 in | 0.8136483 in | 0.8267717 in | 0.8398950 in | 0.8530184 in | 0.8661417 in | 0.8792651 in | 0.8923885 in | 0.9055118 in | 0.9186352 in | 0.9317585 in | 0.9448819 in | 0.9580052 in | 0.9711286 in | 0.9842520 in | 0.9973753 in | 1.0104987 in | 1.0236220 in | 1.0367454 in | 1.0498688 in | 1.0629921 in | 1.0761155 in | 1.0892388 in | 1.1023622 in | 1.1154856 in | 1.1286089 in | 1.1417323 in | 1.1548556 in | 1.1679790 in | 1.1811024 in | 1.1942257 in | 1.2073491 in | 1.2204724 in | 1.2335958 in | 1.2467192 in | 1.2598425 in | 1.2729659 in | 1.2860892 in | 1.2992126 in | 1.3123360 in |
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 = 0.013123359580052 inches | 4 french; charriere = 0.05249343832021 inches |
1.5 french; charriere = 0.019685039370079 inches | 4.5 french; charriere = 0.059055118110236 inches |
2 french; charriere = 0.026246719160105 inches | 5 french; charriere = 0.065616797900262 inches |
2.5 french; charriere = 0.032808398950131 inches | 5.5 french; charriere = 0.072178477690289 inches |
3 french; charriere = 0.039370078740157 inches | 6 french; charriere = 0.078740157480315 inches |
The inch (abbreviation: in or ″) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to 1⁄36 yard but usually understood as 1⁄12 of a foot. Derived from the Roman uncia ("twelfth"), inch is also sometimes used to translate related units in other measurement systems, usually understood as deriving from the width of the human thumb.
1 inches = 76.2 french; charriere | 4 inches = 304.8 french; charriere |
1.5 inches = 114.3 french; charriere | 4.5 inches = 342.9 french; charriere |
2 inches = 152.4 french; charriere | 5 inches = 381 french; charriere |
2.5 inches = 190.5 french; charriere | 5.5 inches = 419.1 french; charriere |
3 inches = 228.6 french; charriere | 6 inches = 457.2 french; charriere |
1 french; charriere = 0.0131234 inches |
1 inches = 76.2 french; charriere |