meter | 1 m | 2 m | 3 m | 4 m | 5 m | 6 m | 7 m | 8 m | 9 m | 10 m | 11 m | 12 m | 13 m | 14 m | 15 m | 16 m | 17 m | 18 m | 19 m | 20 m | 21 m | 22 m | 23 m | 24 m | 25 m | 26 m | 27 m | 28 m | 29 m | 30 m | 31 m | 32 m | 33 m | 34 m | 35 m | 36 m | 37 m | 38 m | 39 m | 40 m | 41 m | 42 m | 43 m | 44 m | 45 m | 46 m | 47 m | 48 m | 49 m | 50 m | 51 m | 52 m | 53 m | 54 m | 55 m | 56 m | 57 m | 58 m | 59 m | 60 m | 61 m | 62 m | 63 m | 64 m | 65 m | 66 m | 67 m | 68 m | 69 m | 70 m | 71 m | 72 m | 73 m | 74 m | 75 m | 76 m | 77 m | 78 m | 79 m | 80 m | 81 m | 82 m | 83 m | 84 m | 85 m | 86 m | 87 m | 88 m | 89 m | 90 m | 91 m | 92 m | 93 m | 94 m | 95 m | 96 m | 97 m | 98 m | 99 m | 100 m |
french; charriere | 3 000 F | 6 000 F | 9 000 F | 12 000 F | 15 000 F | 18 000 F | 21 000 F | 24 000 F | 27 000 F | 30 000 F | 33 000 F | 36 000 F | 39 000 F | 42 000 F | 45 000 F | 48 000 F | 51 000 F | 54 000 F | 57 000 F | 60 000 F | 63 000 F | 66 000 F | 69 000 F | 72 000 F | 75 000 F | 78 000 F | 81 000 F | 84 000 F | 87 000 F | 90 000 F | 93 000 F | 96 000 F | 99 000 F | 102 000 F | 105 000 F | 108 000 F | 111 000 F | 114 000 F | 117 000 F | 120 000 F | 123 000 F | 126 000 F | 129 000 F | 132 000 F | 135 000 F | 138 000 F | 141 000 F | 144 000 F | 147 000 F | 150 000 F | 153 000 F | 156 000 F | 159 000 F | 162 000 F | 165 000 F | 168 000 F | 171 000 F | 174 000 F | 177 000 F | 180 000 F | 183 000 F | 186 000 F | 189 000 F | 192 000 F | 195 000 F | 198 000 F | 201 000 F | 204 000 F | 207 000 F | 210 000 F | 213 000 F | 216 000 F | 219 000 F | 222 000 F | 225 000 F | 228 000 F | 231 000 F | 234 000 F | 237 000 F | 240 000 F | 243 000 F | 246 000 F | 249 000 F | 252 000 F | 255 000 F | 258 000 F | 261 000 F | 264 000 F | 267 000 F | 270 000 F | 273 000 F | 276 000 F | 279 000 F | 282 000 F | 285 000 F | 288 000 F | 291 000 F | 294 000 F | 297 000 F | 300 000 F |
The metre (international spelling) or meter (American spelling) (from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the length of the path travelled by light in a vacuum in 1/299 792 458 seconds.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
meter | m | ≡ Distance light travels in 1⁄299792458 of a second in vacuum. | ≡ 1 m | Metric system SI |
meters | french; charriere | meters | french; charriere |
---|---|---|---|
1 | = 3000 | 4 | = 12000 |
1.5 | = 4500 | 4.5 | = 13500 |
2 | = 6000 | 5 | = 15000 |
2.5 | = 7500 | 5.5 | = 16500 |
3 | = 9000 | 6 | = 18000 |
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 | meters | french; charriere | meters |
---|---|---|---|
1 | = 0.00033333333333333 | 4 | = 0.0013333333333333 |
1.5 | = 0.0005 | 4.5 | = 0.0015 |
2 | = 0.00066666666666667 | 5 | = 0.0016666666666667 |
2.5 | = 0.00083333333333333 | 5.5 | = 0.0018333333333333 |
3 | = 0.001 | 6 | = 0.002 |
meters | french; charriere |
---|---|
1 | = 3 000 |
0.0003333 | = 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 …) |