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⊕ |
rod | 1,266,801.8770381 rd | 2,533,603.7540762 rd | 3,800,405.6311143 rd | 5,067,207.5081524 rd | 6,334,009.3851905 rd | 7,600,811.2622286 rd | 8,867,613.1392667 rd | 10,134,415.016305 rd | 11,401,216.893343 rd | 12,668,018.770381 rd | 13,934,820.647419 rd | 15,201,622.524457 rd | 16,468,424.401495 rd | 17,735,226.278533 rd | 19,002,028.155571 rd | 20,268,830.03261 rd | 21,535,631.909648 rd | 22,802,433.786686 rd | 24,069,235.663724 rd | 25,336,037.540762 rd | 26,602,839.4178 rd | 27,869,641.294838 rd | 29,136,443.171876 rd | 30,403,245.048914 rd | 31,670,046.925952 rd | 32,936,848.802991 rd | 34,203,650.680029 rd | 35,470,452.557067 rd | 36,737,254.434105 rd | 38,004,056.311143 rd | 39,270,858.188181 rd | 40,537,660.065219 rd | 41,804,461.942257 rd | 43,071,263.819295 rd | 44,338,065.696333 rd | 45,604,867.573372 rd | 46,871,669.45041 rd | 48,138,471.327448 rd | 49,405,273.204486 rd | 50,672,075.081524 rd | 51,938,876.958562 rd | 53,205,678.8356 rd | 54,472,480.712638 rd | 55,739,282.589676 rd | 57,006,084.466714 rd | 58,272,886.343752 rd | 59,539,688.220791 rd | 60,806,490.097829 rd | 62,073,291.974867 rd | 63,340,093.851905 rd | 64,606,895.728943 rd | 65,873,697.605981 rd | 67,140,499.483019 rd | 68,407,301.360057 rd | 69,674,103.237095 rd | 70,940,905.114133 rd | 72,207,706.991172 rd | 73,474,508.86821 rd | 74,741,310.745248 rd | 76,008,112.622286 rd | 77,274,914.499324 rd | 78,541,716.376362 rd | 79,808,518.2534 rd | 81,075,320.130438 rd | 82,342,122.007476 rd | 83,608,923.884514 rd | 84,875,725.761553 rd | 86,142,527.638591 rd | 87,409,329.515629 rd | 88,676,131.392667 rd | 89,942,933.269705 rd | 91,209,735.146743 rd | 92,476,537.023781 rd | 93,743,338.900819 rd | 95,010,140.777857 rd | 96,276,942.654895 rd | 97,543,744.531934 rd | 98,810,546.408972 rd | 100,077,348.28601 rd | 101,344,150.16305 rd | 102,610,952.04009 rd | 103,877,753.91712 rd | 105,144,555.79416 rd | 106,411,357.6712 rd | 107,678,159.54824 rd | 108,944,961.42528 rd | 110,211,763.30231 rd | 111,478,565.17935 rd | 112,745,367.05639 rd | 114,012,168.93343 rd | 115,278,970.81047 rd | 116,545,772.6875 rd | 117,812,574.56454 rd | 119,079,376.44158 rd | 120,346,178.31862 rd | 121,612,980.19566 rd | 122,879,782.0727 rd | 124,146,583.94973 rd | 125,413,385.82677 rd | 126,680,187.70381 rd |
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 | rods | earth radius | rods |
---|---|---|---|
1 | ≈ 1266801.8770381 | 4 | ≈ 5067207.5081524 |
1.5 | ≈ 1900202.8155571 | 4.5 | ≈ 5700608.4466714 |
2 | ≈ 2533603.7540762 | 5 | ≈ 6334009.3851905 |
2.5 | ≈ 3167004.6925952 | 5.5 | ≈ 6967410.3237095 |
3 | ≈ 3800405.6311143 | 6 | ≈ 7600811.2622286 |
The rod or perch or pole is a surveyors tool and unit of length equal to 5 1⁄2 yards, 16 1⁄2 feet, 1⁄320 of a statute mile or one-fourth of a surveyor's chain and 5.0292 meters.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
rod | rd | ≡ 16 1⁄2 ft | = 5.0292 m | Imperial/US |
rods | earth radius | rods | earth radius |
---|---|---|---|
1 | ≈ 7.8938942081306E-7 | 4 | ≈ 3.1575576832522E-6 |
1.5 | ≈ 1.1840841312196E-6 | 4.5 | ≈ 3.5522523936588E-6 |
2 | ≈ 1.5787788416261E-6 | 5 | ≈ 3.9469471040653E-6 |
2.5 | ≈ 1.9734735520326E-6 | 5.5 | ≈ 4.3416418144718E-6 |
3 | ≈ 2.3681682624392E-6 | 6 | ≈ 4.7363365248784E-6 |
earth radius | rods |
---|---|
1 | ≈ 1,266,801.8770381 |
7.8938942081306 × 10-7 | ≈ 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 …) |