foot, metric (short) | 1 smf | 2 smf | 3 smf | 4 smf | 5 smf | 6 smf | 7 smf | 8 smf | 9 smf | 10 smf | 11 smf | 12 smf | 13 smf | 14 smf | 15 smf | 16 smf | 17 smf | 18 smf | 19 smf | 20 smf | 21 smf | 22 smf | 23 smf | 24 smf | 25 smf | 26 smf | 27 smf | 28 smf | 29 smf | 30 smf | 31 smf | 32 smf | 33 smf | 34 smf | 35 smf | 36 smf | 37 smf | 38 smf | 39 smf | 40 smf | 41 smf | 42 smf | 43 smf | 44 smf | 45 smf | 46 smf | 47 smf | 48 smf | 49 smf | 50 smf | 51 smf | 52 smf | 53 smf | 54 smf | 55 smf | 56 smf | 57 smf | 58 smf | 59 smf | 60 smf | 61 smf | 62 smf | 63 smf | 64 smf | 65 smf | 66 smf | 67 smf | 68 smf | 69 smf | 70 smf | 71 smf | 72 smf | 73 smf | 74 smf | 75 smf | 76 smf | 77 smf | 78 smf | 79 smf | 80 smf | 81 smf | 82 smf | 83 smf | 84 smf | 85 smf | 86 smf | 87 smf | 88 smf | 89 smf | 90 smf | 91 smf | 92 smf | 93 smf | 94 smf | 95 smf | 96 smf | 97 smf | 98 smf | 99 smf | 100 smf |
french; charriere | 900 F | 1 800 F | 2 700 F | 3 600 F | 4 500 F | 5 400 F | 6 300 F | 7 200 F | 8 100 F | 9 000 F | 9 900 F | 10 800 F | 11 700 F | 12 600 F | 13 500 F | 14 400 F | 15 300 F | 16 200 F | 17 100 F | 18 000 F | 18 900 F | 19 800 F | 20 700 F | 21 600 F | 22 500 F | 23 400 F | 24 300 F | 25 200 F | 26 100 F | 27 000 F | 27 900 F | 28 800 F | 29 700 F | 30 600 F | 31 500 F | 32 400 F | 33 300 F | 34 200 F | 35 100 F | 36 000 F | 36 900 F | 37 800 F | 38 700 F | 39 600 F | 40 500 F | 41 400 F | 42 300 F | 43 200 F | 44 100 F | 45 000 F | 45 900 F | 46 800 F | 47 700 F | 48 600 F | 49 500 F | 50 400 F | 51 300 F | 52 200 F | 53 100 F | 54 000 F | 54 900 F | 55 800 F | 56 700 F | 57 600 F | 58 500 F | 59 400 F | 60 300 F | 61 200 F | 62 100 F | 63 000 F | 63 900 F | 64 800 F | 65 700 F | 66 600 F | 67 500 F | 68 400 F | 69 300 F | 70 200 F | 71 100 F | 72 000 F | 72 900 F | 73 800 F | 74 700 F | 75 600 F | 76 500 F | 77 400 F | 78 300 F | 79 200 F | 80 100 F | 81 000 F | 81 900 F | 82 800 F | 83 700 F | 84 600 F | 85 500 F | 86 400 F | 87 300 F | 88 200 F | 89 100 F | 90 000 F |
≡ 0.30 m
1 feet, metric (short) = 900 french; charriere | 4 feet, metric (short) = 3600 french; charriere |
1.5 feet, metric (short) = 1350 french; charriere | 4.5 feet, metric (short) = 4050 french; charriere |
2 feet, metric (short) = 1800 french; charriere | 5 feet, metric (short) = 4500 french; charriere |
2.5 feet, metric (short) = 2250 french; charriere | 5.5 feet, metric (short) = 4950 french; charriere |
3 feet, metric (short) = 2700 french; charriere | 6 feet, metric (short) = 5400 french; charriere |
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 = 0.0011111111111111 feet, metric (short) | 4 french; charriere = 0.0044444444444444 feet, metric (short) |
1.5 french; charriere = 0.0016666666666667 feet, metric (short) | 4.5 french; charriere = 0.005 feet, metric (short) |
2 french; charriere = 0.0022222222222222 feet, metric (short) | 5 french; charriere = 0.0055555555555556 feet, metric (short) |
2.5 french; charriere = 0.0027777777777778 feet, metric (short) | 5.5 french; charriere = 0.0061111111111111 feet, metric (short) |
3 french; charriere = 0.0033333333333333 feet, metric (short) | 6 french; charriere = 0.0066666666666667 feet, metric (short) |
1 feet, metric (short) = 900 french; charriere |
1 french; charriere = 0.0011111 feet, metric (short) |