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 |
point (Didot; European) | 0.8866667 pt | 1.7733333 pt | 2.6600000 pt | 3.5466667 pt | 4.4333333 pt | 5.3200000 pt | 6.2066667 pt | 7.0933333 pt | 7.9800000 pt | 8.8666667 pt | 9.7533333 pt | 10.6400000 pt | 11.5266667 pt | 12.4133333 pt | 13.3000000 pt | 14.1866667 pt | 15.0733333 pt | 15.9600000 pt | 16.8466666 pt | 17.7333333 pt | 18.6200000 pt | 19.5066666 pt | 20.3933333 pt | 21.2800000 pt | 22.1666666 pt | 23.0533333 pt | 23.9400000 pt | 24.8266666 pt | 25.7133333 pt | 26.6000000 pt | 27.4866666 pt | 28.3733333 pt | 29.2600000 pt | 30.1466666 pt | 31.0333333 pt | 31.9200000 pt | 32.8066666 pt | 33.6933333 pt | 34.5800000 pt | 35.4666666 pt | 36.3533333 pt | 37.2400000 pt | 38.1266666 pt | 39.0133333 pt | 39.9000000 pt | 40.7866666 pt | 41.6733333 pt | 42.5600000 pt | 43.4466666 pt | 44.3333333 pt | 45.2200000 pt | 46.1066666 pt | 46.9933333 pt | 47.8800000 pt | 48.7666666 pt | 49.6533333 pt | 50.5399999 pt | 51.4266666 pt | 52.3133333 pt | 53.1999999 pt | 54.0866666 pt | 54.9733333 pt | 55.8599999 pt | 56.7466666 pt | 57.6333333 pt | 58.5199999 pt | 59.4066666 pt | 60.2933333 pt | 61.1799999 pt | 62.0666666 pt | 62.9533333 pt | 63.8399999 pt | 64.7266666 pt | 65.6133333 pt | 66.4999999 pt | 67.3866666 pt | 68.2733333 pt | 69.1599999 pt | 70.0466666 pt | 70.9333333 pt | 71.8199999 pt | 72.7066666 pt | 73.5933333 pt | 74.4799999 pt | 75.3666666 pt | 76.2533333 pt | 77.1399999 pt | 78.0266666 pt | 78.9133333 pt | 79.7999999 pt | 80.6866666 pt | 81.5733333 pt | 82.4599999 pt | 83.3466666 pt | 84.2333332 pt | 85.1199999 pt | 86.0066666 pt | 86.8933332 pt | 87.7799999 pt | 88.6666666 pt |
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 | points (Didot; European) | french; charriere | points (Didot; European) |
---|---|---|---|
1 | ≈ 0.88666666578 | 4 | ≈ 3.54666666312 |
1.5 | ≈ 1.32999999867 | 4.5 | ≈ 3.98999999601 |
2 | ≈ 1.77333333156 | 5 | ≈ 4.4333333289 |
2.5 | ≈ 2.21666666445 | 5.5 | ≈ 4.87666666179 |
3 | ≈ 2.65999999734 | 6 | ≈ 5.31999999468 |
In typography, the point is the smallest unit of measure. It is used for measuring font size, leading, and other items on a printed page.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
point (Didot; European) | pt | ≡ 1⁄12 × 1⁄72 of pied du roi; | ≈ 0.00037597 m; | Other (Length) |
points (Didot; European) | french; charriere | points (Didot; European) | french; charriere |
---|---|---|---|
1 | ≈ 1.12781955 | 4 | ≈ 4.5112782 |
1.5 | ≈ 1.691729325 | 4.5 | ≈ 5.075187975 |
2 | ≈ 2.2556391 | 5 | ≈ 5.63909775 |
2.5 | ≈ 2.819548875 | 5.5 | ≈ 6.203007525 |
3 | ≈ 3.38345865 | 6 | ≈ 6.7669173 |
french; charriere | points (Didot; European) |
---|---|
1 | ≈ 0.8866667 |
1.1278196 | ≈ 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 …) |