earth radius | 1 R⊕ | 2 R⊕ | 3 R⊕ | 4 R⊕ | 5 R⊕ | 6 R⊕ | 7 R⊕ | 8 R⊕ | 9 R⊕ | 10 R⊕ | 11 R⊕ | 12 R⊕ | 13 R⊕ | 14 R⊕ | 15 R⊕ | 16 R⊕ | 17 R⊕ | 18 R⊕ | 19 R⊕ | 20 R⊕ | 21 R⊕ | 22 R⊕ | 23 R⊕ | 24 R⊕ | 25 R⊕ | 26 R⊕ | 27 R⊕ | 28 R⊕ | 29 R⊕ | 30 R⊕ | 31 R⊕ | 32 R⊕ | 33 R⊕ | 34 R⊕ | 35 R⊕ | 36 R⊕ | 37 R⊕ | 38 R⊕ | 39 R⊕ | 40 R⊕ | 41 R⊕ | 42 R⊕ | 43 R⊕ | 44 R⊕ | 45 R⊕ | 46 R⊕ | 47 R⊕ | 48 R⊕ | 49 R⊕ | 50 R⊕ | 51 R⊕ | 52 R⊕ | 53 R⊕ | 54 R⊕ | 55 R⊕ | 56 R⊕ | 57 R⊕ | 58 R⊕ | 59 R⊕ | 60 R⊕ | 61 R⊕ | 62 R⊕ | 63 R⊕ | 64 R⊕ | 65 R⊕ | 66 R⊕ | 67 R⊕ | 68 R⊕ | 69 R⊕ | 70 R⊕ | 71 R⊕ | 72 R⊕ | 73 R⊕ | 74 R⊕ | 75 R⊕ | 76 R⊕ | 77 R⊕ | 78 R⊕ | 79 R⊕ | 80 R⊕ | 81 R⊕ | 82 R⊕ | 83 R⊕ | 84 R⊕ | 85 R⊕ | 86 R⊕ | 87 R⊕ | 88 R⊕ | 89 R⊕ | 90 R⊕ | 91 R⊕ | 92 R⊕ | 93 R⊕ | 94 R⊕ | 95 R⊕ | 96 R⊕ | 97 R⊕ | 98 R⊕ | 99 R⊕ | 100 R⊕ |
french; charriere | 19 113 000 000 F | 38 226 000 000 F | 57 339 000 000 F | 76 452 000 000 F | 95 565 000 000 F | 114 678 000 000 F | 133 791 000 000 F | 152 904 000 000 F | 172 017 000 000 F | 191 130 000 000 F | 210 243 000 000 F | 229 356 000 000 F | 248 469 000 000 F | 267 582 000 000 F | 286 695 000 000 F | 305 808 000 000 F | 324 921 000 000 F | 344 034 000 000 F | 363 147 000 000 F | 382 260 000 000 F | 401 373 000 000 F | 420 486 000 000 F | 439 599 000 000 F | 458 712 000 000 F | 477 825 000 000 F | 496 938 000 000 F | 516 051 000 000 F | 535 164 000 000 F | 554 277 000 000 F | 573 390 000 000 F | 592 503 000 000 F | 611 616 000 000 F | 630 729 000 000 F | 649 842 000 000 F | 668 955 000 000 F | 688 068 000 000 F | 707 181 000 000 F | 726 294 000 000 F | 745 407 000 000 F | 764 520 000 000 F | 783 633 000 000 F | 802 746 000 000 F | 821 859 000 000 F | 840 972 000 000 F | 860 085 000 000 F | 879 198 000 000 F | 898 311 000 000 F | 917 424 000 000 F | 936 537 000 000 F | 955 650 000 000 F | 974 763 000 000 F | 993 876 000 000 F | 1 012 989 000 000 F | 1 032 102 000 000 F | 1 051 215 000 000 F | 1 070 328 000 000 F | 1 089 441 000 000 F | 1 108 554 000 000 F | 1 127 667 000 000 F | 1 146 780 000 000 F | 1 165 893 000 000 F | 1 185 006 000 000 F | 1 204 119 000 000 F | 1 223 232 000 000 F | 1 242 345 000 000 F | 1 261 458 000 000 F | 1 280 571 000 000 F | 1 299 684 000 000 F | 1 318 797 000 000 F | 1 337 910 000 000 F | 1 357 023 000 000 F | 1 376 136 000 000 F | 1 395 249 000 000 F | 1 414 362 000 000 F | 1 433 475 000 000 F | 1 452 588 000 000 F | 1 471 701 000 000 F | 1 490 814 000 000 F | 1 509 927 000 000 F | 1 529 040 000 000 F | 1 548 153 000 000 F | 1 567 266 000 000 F | 1 586 379 000 000 F | 1 605 492 000 000 F | 1 624 605 000 000 F | 1 643 718 000 000 F | 1 662 831 000 000 F | 1 681 944 000 000 F | 1 701 057 000 000 F | 1 720 170 000 000 F | 1 739 283 000 000 F | 1 758 396 000 000 F | 1 777 509 000 000 F | 1 796 622 000 000 F | 1 815 735 000 000 F | 1 834 848 000 000 F | 1 853 961 000 000 F | 1 873 074 000 000 F | 1 892 187 000 000 F | 1 911 300 000 000 F |
Earth radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). This length is also used as a unit of distance, especially in astronomy and geology, where it is usually denoted by R⊕.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
earth radius | R⊕ | ≈ 6,371 km | ≈ 6,371 km | Science - Astronomy (Length) |
earth radius | french; charriere | earth radius | french; charriere |
---|---|---|---|
1 | ≈ 19113000000 | 4 | ≈ 76452000000 |
1.5 | ≈ 28669500000 | 4.5 | ≈ 86008500000 |
2 | ≈ 38226000000 | 5 | ≈ 95565000000 |
2.5 | ≈ 47782500000 | 5.5 | ≈ 105121500000 |
3 | ≈ 57339000000 | 6 | ≈ 114678000000 |
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 | earth radius | french; charriere | earth radius |
---|---|---|---|
1 | ≈ 5.2320410192016E-11 | 4 | ≈ 2.0928164076806E-10 |
1.5 | ≈ 7.8480615288024E-11 | 4.5 | ≈ 2.3544184586407E-10 |
2 | ≈ 1.0464082038403E-10 | 5 | ≈ 2.6160205096008E-10 |
2.5 | ≈ 1.3080102548004E-10 | 5.5 | ≈ 2.8776225605609E-10 |
3 | ≈ 1.5696123057605E-10 | 6 | ≈ 3.139224611521E-10 |
earth radius | french; charriere |
---|---|
1 | ≈ 19 113 000 000 |
5.2320410192016 × 10-11 | ≈ 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 …) |