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 (American, English) | 0.9484517 pt | 1.8969033 pt | 2.8453550 pt | 3.7938066 pt | 4.7422583 pt | 5.6907099 pt | 6.6391616 pt | 7.5876132 pt | 8.5360649 pt | 9.4845165 pt | 10.4329682 pt | 11.3814198 pt | 12.3298715 pt | 13.2783231 pt | 14.2267748 pt | 15.1752264 pt | 16.1236781 pt | 17.0721297 pt | 18.0205814 pt | 18.9690331 pt | 19.9174847 pt | 20.8659364 pt | 21.8143880 pt | 22.7628397 pt | 23.7112913 pt | 24.6597430 pt | 25.6081946 pt | 26.5566463 pt | 27.5050979 pt | 28.4535496 pt | 29.4020012 pt | 30.3504529 pt | 31.2989045 pt | 32.2473562 pt | 33.1958078 pt | 34.1442595 pt | 35.0927111 pt | 36.0411628 pt | 36.9896145 pt | 37.9380661 pt | 38.8865178 pt | 39.8349694 pt | 40.7834211 pt | 41.7318727 pt | 42.6803244 pt | 43.6287760 pt | 44.5772277 pt | 45.5256793 pt | 46.4741310 pt | 47.4225826 pt | 48.3710343 pt | 49.3194859 pt | 50.2679376 pt | 51.2163892 pt | 52.1648409 pt | 53.1132925 pt | 54.0617442 pt | 55.0101959 pt | 55.9586475 pt | 56.9070992 pt | 57.8555508 pt | 58.8040025 pt | 59.7524541 pt | 60.7009058 pt | 61.6493574 pt | 62.5978091 pt | 63.5462607 pt | 64.4947124 pt | 65.4431640 pt | 66.3916157 pt | 67.3400673 pt | 68.2885190 pt | 69.2369706 pt | 70.1854223 pt | 71.1338740 pt | 72.0823256 pt | 73.0307773 pt | 73.9792289 pt | 74.9276806 pt | 75.8761322 pt | 76.8245839 pt | 77.7730355 pt | 78.7214872 pt | 79.6699388 pt | 80.6183905 pt | 81.5668421 pt | 82.5152938 pt | 83.4637454 pt | 84.4121971 pt | 85.3606487 pt | 86.3091004 pt | 87.2575520 pt | 88.2060037 pt | 89.1544554 pt | 90.1029070 pt | 91.0513587 pt | 91.9998103 pt | 92.9482620 pt | 93.8967136 pt | 94.8451653 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 (American, English) | french; charriere | points (American, English) |
---|---|---|---|
1 | ≈ 0.948451652677 | 4 | ≈ 3.793806610708 |
1.5 | ≈ 1.4226774790155 | 4.5 | ≈ 4.2680324370465 |
2 | ≈ 1.896903305354 | 5 | ≈ 4.742258263385 |
2.5 | ≈ 2.3711291316925 | 5.5 | ≈ 5.2164840897235 |
3 | ≈ 2.845354958031 | 6 | ≈ 5.690709916062 |
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 (American, English) | pt | ≡ 1⁄72.272 in | ≈ 0.000351450 m | Other (Length) |
points (American, English) | french; charriere | points (American, English) | french; charriere |
---|---|---|---|
1 | ≈ 1.05435 | 4 | ≈ 4.2174 |
1.5 | ≈ 1.581525 | 4.5 | ≈ 4.744575 |
2 | ≈ 2.1087 | 5 | ≈ 5.27175 |
2.5 | ≈ 2.635875 | 5.5 | ≈ 5.798925 |
3 | ≈ 3.16305 | 6 | ≈ 6.3261 |
french; charriere | points (American, English) |
---|---|
1 | ≈ 0.9484517 |
1.05435 | ≈ 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 …) |