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⊕ |
point (Didot; European) | 16,946,859,983.053 pt | 33,893,719,966.106 pt | 50,840,579,949.159 pt | 67,787,439,932.213 pt | 84,734,299,915.266 pt | 101,681,159,898.32 pt | 118,628,019,881.37 pt | 135,574,879,864.43 pt | 152,521,739,847.48 pt | 169,468,599,830.53 pt | 186,415,459,813.58 pt | 203,362,319,796.64 pt | 220,309,179,779.69 pt | 237,256,039,762.74 pt | 254,202,899,745.8 pt | 271,149,759,728.85 pt | 288,096,619,711.9 pt | 305,043,479,694.96 pt | 321,990,339,678.01 pt | 338,937,199,661.06 pt | 355,884,059,644.12 pt | 372,830,919,627.17 pt | 389,777,779,610.22 pt | 406,724,639,593.28 pt | 423,671,499,576.33 pt | 440,618,359,559.38 pt | 457,565,219,542.43 pt | 474,512,079,525.49 pt | 491,458,939,508.54 pt | 508,405,799,491.59 pt | 525,352,659,474.65 pt | 542,299,519,457.7 pt | 559,246,379,440.75 pt | 576,193,239,423.81 pt | 593,140,099,406.86 pt | 610,086,959,389.91 pt | 627,033,819,372.97 pt | 643,980,679,356.02 pt | 660,927,539,339.07 pt | 677,874,399,322.13 pt | 694,821,259,305.18 pt | 711,768,119,288.23 pt | 728,714,979,271.29 pt | 745,661,839,254.34 pt | 762,608,699,237.39 pt | 779,555,559,220.44 pt | 796,502,419,203.5 pt | 813,449,279,186.55 pt | 830,396,139,169.6 pt | 847,342,999,152.66 pt | 864,289,859,135.71 pt | 881,236,719,118.76 pt | 898,183,579,101.82 pt | 915,130,439,084.87 pt | 932,077,299,067.92 pt | 949,024,159,050.98 pt | 965,971,019,034.03 pt | 982,917,879,017.08 pt | 999,864,739,000.14 pt | 1,016,811,598,983.2 pt | 1,033,758,458,966.2 pt | 1,050,705,318,949.3 pt | 1,067,652,178,932.3 pt | 1,084,599,038,915.4 pt | 1,101,545,898,898.5 pt | 1,118,492,758,881.5 pt | 1,135,439,618,864.6 pt | 1,152,386,478,847.6 pt | 1,169,333,338,830.7 pt | 1,186,280,198,813.7 pt | 1,203,227,058,796.8 pt | 1,220,173,918,779.8 pt | 1,237,120,778,762.9 pt | 1,254,067,638,745.9 pt | 1 271 014 498 729 pt | 1 287 961 358 712 pt | 1,304,908,218,695.1 pt | 1,321,855,078,678.1 pt | 1,338,801,938,661.2 pt | 1,355,748,798,644.3 pt | 1,372,695,658,627.3 pt | 1,389,642,518,610.4 pt | 1,406,589,378,593.4 pt | 1,423,536,238,576.5 pt | 1,440,483,098,559.5 pt | 1,457,429,958,542.6 pt | 1,474,376,818,525.6 pt | 1,491,323,678,508.7 pt | 1,508,270,538,491.7 pt | 1,525,217,398,474.8 pt | 1,542,164,258,457.8 pt | 1,559,111,118,440.9 pt | 1,576,057,978,423.9 pt | 1 593 004 838 407 pt | 1 609 951 698 390 pt | 1,626,898,558,373.1 pt | 1,643,845,418,356.2 pt | 1,660,792,278,339.2 pt | 1,677,739,138,322.3 pt | 1,694,685,998,305.3 pt |
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 | points (Didot; European) | earth radius | points (Didot; European) |
---|---|---|---|
1 | ≈ 16946859983.053 | 4 | ≈ 67787439932.213 |
1.5 | ≈ 25420289974.58 | 4.5 | ≈ 76260869923.739 |
2 | ≈ 33893719966.106 | 5 | ≈ 84734299915.266 |
2.5 | ≈ 42367149957.633 | 5.5 | ≈ 93207729906.792 |
3 | ≈ 50840579949.159 | 6 | ≈ 101681159898.32 |
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) | earth radius | points (Didot; European) | earth radius |
---|---|---|---|
1 | ≈ 5.9007981478575E-11 | 4 | ≈ 2.360319259143E-10 |
1.5 | ≈ 8.8511972217862E-11 | 4.5 | ≈ 2.6553591665359E-10 |
2 | ≈ 1.1801596295715E-10 | 5 | ≈ 2.9503990739287E-10 |
2.5 | ≈ 1.4751995369644E-10 | 5.5 | ≈ 3.2454389813216E-10 |
3 | ≈ 1.7702394443572E-10 | 6 | ≈ 3.5404788887145E-10 |
earth radius | points (Didot; European) |
---|---|
1 | ≈ 16,946,859,983.053 |
5.9007981478575 × 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 …) |