| chain | 1 ch | 2 ch | 3 ch | 4 ch | 5 ch | 6 ch | 7 ch | 8 ch | 9 ch | 10 ch | 11 ch | 12 ch | 13 ch | 14 ch | 15 ch | 16 ch | 17 ch | 18 ch | 19 ch | 20 ch | 21 ch | 22 ch | 23 ch | 24 ch | 25 ch | 26 ch | 27 ch | 28 ch | 29 ch | 30 ch | 31 ch | 32 ch | 33 ch | 34 ch | 35 ch | 36 ch | 37 ch | 38 ch | 39 ch | 40 ch | 41 ch | 42 ch | 43 ch | 44 ch | 45 ch | 46 ch | 47 ch | 48 ch | 49 ch | 50 ch | 51 ch | 52 ch | 53 ch | 54 ch | 55 ch | 56 ch | 57 ch | 58 ch | 59 ch | 60 ch | 61 ch | 62 ch | 63 ch | 64 ch | 65 ch | 66 ch | 67 ch | 68 ch | 69 ch | 70 ch | 71 ch | 72 ch | 73 ch | 74 ch | 75 ch | 76 ch | 77 ch | 78 ch | 79 ch | 80 ch | 81 ch | 82 ch | 83 ch | 84 ch | 85 ch | 86 ch | 87 ch | 88 ch | 89 ch | 90 ch | 91 ch | 92 ch | 93 ch | 94 ch | 95 ch | 96 ch | 97 ch | 98 ch | 99 ch | 100 ch |
| french; charriere | 60,350.52 F | 120,701.04 F | 181,051.56 F | 241,402.08 F | 301,752.6 F | 362,103.12 F | 422,453.64 F | 482,804.16 F | 543,154.68 F | 603,505.2 F | 663,855.72 F | 724,206.24 F | 784,556.76 F | 844,907.28 F | 905,257.8 F | 965,608.32 F | 1,025,958.84 F | 1,086,309.36 F | 1,146,659.88 F | 1,207,010.4 F | 1,267,360.92 F | 1,327,711.44 F | 1,388,061.96 F | 1,448,412.48 F | 1 508 763 F | 1,569,113.52 F | 1,629,464.04 F | 1,689,814.56 F | 1,750,165.08 F | 1,810,515.6 F | 1,870,866.12 F | 1,931,216.64 F | 1,991,567.16 F | 2,051,917.68 F | 2,112,268.2 F | 2,172,618.72 F | 2,232,969.24 F | 2,293,319.76 F | 2,353,670.28 F | 2,414,020.8 F | 2,474,371.32 F | 2,534,721.84 F | 2,595,072.36 F | 2,655,422.88 F | 2,715,773.4 F | 2,776,123.92 F | 2,836,474.44 F | 2,896,824.96 F | 2,957,175.48 F | 3 017 526 F | 3,077,876.52 F | 3,138,227.04 F | 3,198,577.56 F | 3,258,928.08 F | 3,319,278.6 F | 3,379,629.12 F | 3,439,979.64 F | 3,500,330.16 F | 3,560,680.68 F | 3,621,031.2 F | 3,681,381.72 F | 3,741,732.24 F | 3,802,082.76 F | 3,862,433.28 F | 3,922,783.8 F | 3,983,134.32 F | 4,043,484.84 F | 4,103,835.36 F | 4,164,185.88 F | 4,224,536.4 F | 4,284,886.92 F | 4,345,237.44 F | 4,405,587.96 F | 4,465,938.48 F | 4 526 289 F | 4,586,639.52 F | 4,646,990.04 F | 4,707,340.56 F | 4,767,691.08 F | 4,828,041.6 F | 4,888,392.12 F | 4,948,742.64 F | 5,009,093.16 F | 5,069,443.68 F | 5,129,794.2 F | 5,190,144.72 F | 5,250,495.24 F | 5,310,845.76 F | 5,371,196.28 F | 5,431,546.8 F | 5,491,897.32 F | 5,552,247.84 F | 5,612,598.36 F | 5,672,948.88 F | 5,733,299.4 F | 5,793,649.92 F | 5,854,000.44 F | 5,914,350.96 F | 5,974,701.48 F | 6 035 052 F |
A chain is a unit of length. It measures 66 feet, or 22 yards, or 100 links, or 4 rods (20.1168 m). There are 10 chains in a furlong, and 80 chains in one statute mile. An acre is the area of 10 square chains (that is, an area of one chain by one furlong). The chain has been used for several centuries in Britain and in some other countries influenced by British practice.
| 1 chains ≈ 60350.52 french; charriere | 4 chains ≈ 241402.08 french; charriere |
| 1.5 chains ≈ 90525.78 french; charriere | 4.5 chains ≈ 271577.34 french; charriere |
| 2 chains ≈ 120701.04 french; charriere | 5 chains ≈ 301752.6 french; charriere |
| 2.5 chains ≈ 150876.3 french; charriere | 5.5 chains ≈ 331927.86 french; charriere |
| 3 chains ≈ 181051.56 french; charriere | 6 chains ≈ 362103.12 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 ≈ 1.6569865512344E-5 chains | 4 french; charriere ≈ 6.6279462049374E-5 chains |
| 1.5 french; charriere ≈ 2.4854798268515E-5 chains | 4.5 french; charriere ≈ 7.4564394805546E-5 chains |
| 2 french; charriere ≈ 3.3139731024687E-5 chains | 5 french; charriere ≈ 8.2849327561718E-5 chains |
| 2.5 french; charriere ≈ 4.1424663780859E-5 chains | 5.5 french; charriere ≈ 9.113426031789E-5 chains |
| 3 french; charriere ≈ 4.9709596537031E-5 chains | 6 french; charriere ≈ 9.9419193074061E-5 chains |
| 1 chains ≈ 60,350.52 french; charriere |
| 1 french; charriere ≈ 1.6569865512344 × 10-5 chains |