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 |
hand | 0.0032808 hand | 0.0065617 hand | 0.0098425 hand | 0.0131234 hand | 0.0164042 hand | 0.0196850 hand | 0.0229659 hand | 0.0262467 hand | 0.0295276 hand | 0.0328084 hand | 0.0360892 hand | 0.0393701 hand | 0.0426509 hand | 0.0459318 hand | 0.0492126 hand | 0.0524934 hand | 0.0557743 hand | 0.0590551 hand | 0.0623360 hand | 0.0656168 hand | 0.0688976 hand | 0.0721785 hand | 0.0754593 hand | 0.0787402 hand | 0.0820210 hand | 0.0853018 hand | 0.0885827 hand | 0.0918635 hand | 0.0951444 hand | 0.0984252 hand | 0.1017060 hand | 0.1049869 hand | 0.1082677 hand | 0.1115486 hand | 0.1148294 hand | 0.1181102 hand | 0.1213911 hand | 0.1246719 hand | 0.1279528 hand | 0.1312336 hand | 0.1345144 hand | 0.1377953 hand | 0.1410761 hand | 0.1443570 hand | 0.1476378 hand | 0.1509186 hand | 0.1541995 hand | 0.1574803 hand | 0.1607612 hand | 0.1640420 hand | 0.1673228 hand | 0.1706037 hand | 0.1738845 hand | 0.1771654 hand | 0.1804462 hand | 0.1837270 hand | 0.1870079 hand | 0.1902887 hand | 0.1935696 hand | 0.1968504 hand | 0.2001312 hand | 0.2034121 hand | 0.2066929 hand | 0.2099738 hand | 0.2132546 hand | 0.2165354 hand | 0.2198163 hand | 0.2230971 hand | 0.2263780 hand | 0.2296588 hand | 0.2329396 hand | 0.2362205 hand | 0.2395013 hand | 0.2427822 hand | 0.2460630 hand | 0.2493438 hand | 0.2526247 hand | 0.2559055 hand | 0.2591864 hand | 0.2624672 hand | 0.2657480 hand | 0.2690289 hand | 0.2723097 hand | 0.2755906 hand | 0.2788714 hand | 0.2821522 hand | 0.2854331 hand | 0.2887139 hand | 0.2919948 hand | 0.2952756 hand | 0.2985564 hand | 0.3018373 hand | 0.3051181 hand | 0.3083990 hand | 0.3116798 hand | 0.3149606 hand | 0.3182415 hand | 0.3215223 hand | 0.3248031 hand | 0.3280840 hand |
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).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
french; charriere | F | ≡ 1⁄3 mm | = 0.3×10−3 m | Other (Length) |
french; charriere | hands | french; charriere | hands |
---|---|---|---|
1 | = 0.0032808398950131 | 4 | = 0.013123359580052 |
1.5 | = 0.0049212598425197 | 4.5 | = 0.014763779527559 |
2 | = 0.0065616797900262 | 5 | = 0.016404199475066 |
2.5 | = 0.0082020997375328 | 5.5 | = 0.018044619422572 |
3 | = 0.0098425196850394 | 6 | = 0.019685039370079 |
The hand is a non-SI unit of measurement of length standardized to 4 inches (101.6 mm). It is used to measure the height of horses in some English-speaking countries, including Australia, Canada, the Republic of Ireland, the United Kingdom and the United States.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
hand | ≡ 4 in | ≡ 0.1016 m | Metric system Non-SI |
hands | french; charriere | hands | french; charriere |
---|---|---|---|
1 | = 304.8 | 4 | = 1219.2 |
1.5 | = 457.2 | 4.5 | = 1371.6 |
2 | = 609.6 | 5 | = 1524 |
2.5 | = 762 | 5.5 | = 1676.4 |
3 | = 914.4 | 6 | = 1828.8 |
french; charriere | hands |
---|---|
1 | = 0.0032808 |
304.8 | = 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |