| 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 |
| meter | 0.0003333 m | 0.0006667 m | 0.001 m | 0.0013333 m | 0.0016667 m | 0.002 m | 0.0023333 m | 0.0026667 m | 0.003 m | 0.0033333 m | 0.0036667 m | 0.004 m | 0.0043333 m | 0.0046667 m | 0.005 m | 0.0053333 m | 0.0056667 m | 0.006 m | 0.0063333 m | 0.0066667 m | 0.007 m | 0.0073333 m | 0.0076667 m | 0.008 m | 0.0083333 m | 0.0086667 m | 0.009 m | 0.0093333 m | 0.0096667 m | 0.01 m | 0.0103333 m | 0.0106667 m | 0.011 m | 0.0113333 m | 0.0116667 m | 0.012 m | 0.0123333 m | 0.0126667 m | 0.013 m | 0.0133333 m | 0.0136667 m | 0.014 m | 0.0143333 m | 0.0146667 m | 0.015 m | 0.0153333 m | 0.0156667 m | 0.016 m | 0.0163333 m | 0.0166667 m | 0.017 m | 0.0173333 m | 0.0176667 m | 0.018 m | 0.0183333 m | 0.0186667 m | 0.019 m | 0.0193333 m | 0.0196667 m | 0.02 m | 0.0203333 m | 0.0206667 m | 0.021 m | 0.0213333 m | 0.0216667 m | 0.022 m | 0.0223333 m | 0.0226667 m | 0.023 m | 0.0233333 m | 0.0236667 m | 0.024 m | 0.0243333 m | 0.0246667 m | 0.025 m | 0.0253333 m | 0.0256667 m | 0.026 m | 0.0263333 m | 0.0266667 m | 0.027 m | 0.0273333 m | 0.0276667 m | 0.028 m | 0.0283333 m | 0.0286667 m | 0.029 m | 0.0293333 m | 0.0296667 m | 0.03 m | 0.0303333 m | 0.0306667 m | 0.031 m | 0.0313333 m | 0.0316667 m | 0.032 m | 0.0323333 m | 0.0326667 m | 0.033 m | 0.0333333 m |
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 = 0.00033333333333333 meters | 4 french; charriere = 0.0013333333333333 meters |
| 1.5 french; charriere = 0.0005 meters | 4.5 french; charriere = 0.0015 meters |
| 2 french; charriere = 0.00066666666666667 meters | 5 french; charriere = 0.0016666666666667 meters |
| 2.5 french; charriere = 0.00083333333333333 meters | 5.5 french; charriere = 0.0018333333333333 meters |
| 3 french; charriere = 0.001 meters | 6 french; charriere = 0.002 meters |
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.
| 1 meters = 3000 french; charriere | 4 meters = 12000 french; charriere |
| 1.5 meters = 4500 french; charriere | 4.5 meters = 13500 french; charriere |
| 2 meters = 6000 french; charriere | 5 meters = 15000 french; charriere |
| 2.5 meters = 7500 french; charriere | 5.5 meters = 16500 french; charriere |
| 3 meters = 9000 french; charriere | 6 meters = 18000 french; charriere |
| 1 french; charriere = 0.0003333 meters |
| 1 meters = 3 000 french; charriere |