| barleycorn | 1 barleycorn | 2 barleycorn | 3 barleycorn | 4 barleycorn | 5 barleycorn | 6 barleycorn | 7 barleycorn | 8 barleycorn | 9 barleycorn | 10 barleycorn | 11 barleycorn | 12 barleycorn | 13 barleycorn | 14 barleycorn | 15 barleycorn | 16 barleycorn | 17 barleycorn | 18 barleycorn | 19 barleycorn | 20 barleycorn | 21 barleycorn | 22 barleycorn | 23 barleycorn | 24 barleycorn | 25 barleycorn | 26 barleycorn | 27 barleycorn | 28 barleycorn | 29 barleycorn | 30 barleycorn | 31 barleycorn | 32 barleycorn | 33 barleycorn | 34 barleycorn | 35 barleycorn | 36 barleycorn | 37 barleycorn | 38 barleycorn | 39 barleycorn | 40 barleycorn | 41 barleycorn | 42 barleycorn | 43 barleycorn | 44 barleycorn | 45 barleycorn | 46 barleycorn | 47 barleycorn | 48 barleycorn | 49 barleycorn | 50 barleycorn | 51 barleycorn | 52 barleycorn | 53 barleycorn | 54 barleycorn | 55 barleycorn | 56 barleycorn | 57 barleycorn | 58 barleycorn | 59 barleycorn | 60 barleycorn | 61 barleycorn | 62 barleycorn | 63 barleycorn | 64 barleycorn | 65 barleycorn | 66 barleycorn | 67 barleycorn | 68 barleycorn | 69 barleycorn | 70 barleycorn | 71 barleycorn | 72 barleycorn | 73 barleycorn | 74 barleycorn | 75 barleycorn | 76 barleycorn | 77 barleycorn | 78 barleycorn | 79 barleycorn | 80 barleycorn | 81 barleycorn | 82 barleycorn | 83 barleycorn | 84 barleycorn | 85 barleycorn | 86 barleycorn | 87 barleycorn | 88 barleycorn | 89 barleycorn | 90 barleycorn | 91 barleycorn | 92 barleycorn | 93 barleycorn | 94 barleycorn | 95 barleycorn | 96 barleycorn | 97 barleycorn | 98 barleycorn | 99 barleycorn | 100 barleycorn |
| earth radius | 1.3278920106734 × 10-9R⊕ | 2.6557840213467 × 10-9R⊕ | 3.9836760320201 × 10-9R⊕ | 5.3115680426935 × 10-9R⊕ | 6.6394600533668 × 10-9R⊕ | 7.9673520640402 × 10-9R⊕ | 9.2952440747135 × 10-9R⊕ | 1.0623136085387 × 10-8R⊕ | 1.195102809606 × 10-8R⊕ | 1.3278920106734 × 10-8R⊕ | 1.4606812117407 × 10-8R⊕ | 1.593470412808 × 10-8R⊕ | 1.7262596138754 × 10-8R⊕ | 1.8590488149427 × 10-8R⊕ | 1.99183801601 × 10-8R⊕ | 2.1246272170774 × 10-8R⊕ | 2.2574164181447 × 10-8R⊕ | 2.3902056192121 × 10-8R⊕ | 2.5229948202794 × 10-8R⊕ | 2.6557840213467 × 10-8R⊕ | 2.7885732224141 × 10-8R⊕ | 2.9213624234814 × 10-8R⊕ | 3.0541516245487 × 10-8R⊕ | 3.1869408256161 × 10-8R⊕ | 3.3197300266834 × 10-8R⊕ | 3.4525192277507 × 10-8R⊕ | 3.5853084288181 × 10-8R⊕ | 3.7180976298854 × 10-8R⊕ | 3.8508868309528 × 10-8R⊕ | 3.9836760320201 × 10-8R⊕ | 4.1164652330874 × 10-8R⊕ | 4.2492544341548 × 10-8R⊕ | 4.3820436352221 × 10-8R⊕ | 4.5148328362894 × 10-8R⊕ | 4.6476220373568 × 10-8R⊕ | 4.7804112384241 × 10-8R⊕ | 4.9132004394914 × 10-8R⊕ | 5.0459896405588 × 10-8R⊕ | 5.1787788416261 × 10-8R⊕ | 5.3115680426935 × 10-8R⊕ | 5.4443572437608 × 10-8R⊕ | 5.5771464448281 × 10-8R⊕ | 5.7099356458955 × 10-8R⊕ | 5.8427248469628 × 10-8R⊕ | 5.9755140480301 × 10-8R⊕ | 6.1083032490975 × 10-8R⊕ | 6.2410924501648 × 10-8R⊕ | 6.3738816512321 × 10-8R⊕ | 6.5066708522995 × 10-8R⊕ | 6.6394600533668 × 10-8R⊕ | 6.7722492544342 × 10-8R⊕ | 6.9050384555015 × 10-8R⊕ | 7.0378276565688 × 10-8R⊕ | 7.1706168576362 × 10-8R⊕ | 7.3034060587035 × 10-8R⊕ | 7.4361952597708 × 10-8R⊕ | 7.5689844608382 × 10-8R⊕ | 7.7017736619055 × 10-8R⊕ | 7.8345628629728 × 10-8R⊕ | 7.9673520640402 × 10-8R⊕ | 8.1001412651075 × 10-8R⊕ | 8.2329304661749 × 10-8R⊕ | 8.3657196672422 × 10-8R⊕ | 8.4985088683095 × 10-8R⊕ | 8.6312980693769 × 10-8R⊕ | 8.7640872704442 × 10-8R⊕ | 8.8968764715115 × 10-8R⊕ | 9.0296656725789 × 10-8R⊕ | 9.1624548736462 × 10-8R⊕ | 9.2952440747135 × 10-8R⊕ | 9.4280332757809 × 10-8R⊕ | 9.5608224768482 × 10-8R⊕ | 9.6936116779156 × 10-8R⊕ | 9.8264008789829 × 10-8R⊕ | 9.9591900800502 × 10-8R⊕ | 1.0091979281118 × 10-7R⊕ | 1.0224768482185 × 10-7R⊕ | 1.0357557683252 × 10-7R⊕ | 1.049034688432 × 10-7R⊕ | 1.0623136085387 × 10-7R⊕ | 1.0755925286454 × 10-7R⊕ | 1.0888714487522 × 10-7R⊕ | 1.1021503688589 × 10-7R⊕ | 1.1154292889656 × 10-7R⊕ | 1.1287082090724 × 10-7R⊕ | 1.1419871291791 × 10-7R⊕ | 1.1552660492858 × 10-7R⊕ | 1.1685449693926 × 10-7R⊕ | 1.1818238894993 × 10-7R⊕ | 1.195102809606 × 10-7R⊕ | 1.2083817297128 × 10-7R⊕ | 1.2216606498195 × 10-7R⊕ | 1.2349395699262 × 10-7R⊕ | 1.248218490033 × 10-7R⊕ | 1.2614974101397 × 10-7R⊕ | 1.2747763302464 × 10-7R⊕ | 1.2880552503532 × 10-7R⊕ | 1.3013341704599 × 10-7R⊕ | 1.3146130905666 × 10-7R⊕ | 1.3278920106734 × 10-7R⊕ |
The barleycorn is a small English unit of length equal to 1⁄3 of an inch (i.e., close to 0.8467 cm) still used in Great Britain and Ireland as a determiner of shoe sizes.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| barleycorn | = 1⁄3 in | ≈ 8.46×10−3 m | Imperial/US |
| barleycorns | earth radius | barleycorns | earth radius |
|---|---|---|---|
| 1 | ≈ 1.3278920106734E-9 | 4 | ≈ 5.3115680426935E-9 |
| 1.5 | ≈ 1.99183801601E-9 | 4.5 | ≈ 5.9755140480301E-9 |
| 2 | ≈ 2.6557840213467E-9 | 5 | ≈ 6.6394600533668E-9 |
| 2.5 | ≈ 3.3197300266834E-9 | 5.5 | ≈ 7.3034060587035E-9 |
| 3 | ≈ 3.9836760320201E-9 | 6 | ≈ 7.9673520640402E-9 |
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 | barleycorns | earth radius | barleycorns |
|---|---|---|---|
| 1 | ≈ 753073286.05201 | 4 | ≈ 3012293144.208 |
| 1.5 | ≈ 1129609929.078 | 4.5 | ≈ 3388829787.234 |
| 2 | ≈ 1506146572.104 | 5 | ≈ 3765366430.26 |
| 2.5 | ≈ 1882683215.13 | 5.5 | ≈ 4141903073.2861 |
| 3 | ≈ 2259219858.156 | 6 | ≈ 4518439716.3121 |
| barleycorns | earth radius |
|---|---|
| 1 | ≈ 1.3278920106734 × 10-9 |
| 753,073,286.05201 | ≈ 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 …) |