light-hour | 1 light-hour | 2 light-hour | 3 light-hour | 4 light-hour | 5 light-hour | 6 light-hour | 7 light-hour | 8 light-hour | 9 light-hour | 10 light-hour | 11 light-hour | 12 light-hour | 13 light-hour | 14 light-hour | 15 light-hour | 16 light-hour | 17 light-hour | 18 light-hour | 19 light-hour | 20 light-hour | 21 light-hour | 22 light-hour | 23 light-hour | 24 light-hour | 25 light-hour | 26 light-hour | 27 light-hour | 28 light-hour | 29 light-hour | 30 light-hour | 31 light-hour | 32 light-hour | 33 light-hour | 34 light-hour | 35 light-hour | 36 light-hour | 37 light-hour | 38 light-hour | 39 light-hour | 40 light-hour | 41 light-hour | 42 light-hour | 43 light-hour | 44 light-hour | 45 light-hour | 46 light-hour | 47 light-hour | 48 light-hour | 49 light-hour | 50 light-hour | 51 light-hour | 52 light-hour | 53 light-hour | 54 light-hour | 55 light-hour | 56 light-hour | 57 light-hour | 58 light-hour | 59 light-hour | 60 light-hour | 61 light-hour | 62 light-hour | 63 light-hour | 64 light-hour | 65 light-hour | 66 light-hour | 67 light-hour | 68 light-hour | 69 light-hour | 70 light-hour | 71 light-hour | 72 light-hour | 73 light-hour | 74 light-hour | 75 light-hour | 76 light-hour | 77 light-hour | 78 light-hour | 79 light-hour | 80 light-hour | 81 light-hour | 82 light-hour | 83 light-hour | 84 light-hour | 85 light-hour | 86 light-hour | 87 light-hour | 88 light-hour | 89 light-hour | 90 light-hour | 91 light-hour | 92 light-hour | 93 light-hour | 94 light-hour | 95 light-hour | 96 light-hour | 97 light-hour | 98 light-hour | 99 light-hour | 100 light-hour |
league (land) | 223,540,358.07788 lea | 447,080,716.15576 lea | 670,621,074.23364 lea | 894,161,432.31152 lea | 1,117,701,790.3894 lea | 1,341,242,148.4673 lea | 1,564,782,506.5452 lea | 1,788,322,864.623 lea | 2,011,863,222.7009 lea | 2,235,403,580.7788 lea | 2,458,943,938.8567 lea | 2,682,484,296.9345 lea | 2,906,024,655.0124 lea | 3,129,565,013.0903 lea | 3,353,105,371.1682 lea | 3,576,645,729.2461 lea | 3,800,186,087.3239 lea | 4,023,726,445.4018 lea | 4,247,266,803.4797 lea | 4,470,807,161.5576 lea | 4,694,347,519.6355 lea | 4,917,887,877.7133 lea | 5,141,428,235.7912 lea | 5,364,968,593.8691 lea | 5,588,508,951.947 lea | 5,812,049,310.0249 lea | 6,035,589,668.1027 lea | 6,259,130,026.1806 lea | 6,482,670,384.2585 lea | 6,706,210,742.3364 lea | 6,929,751,100.4143 lea | 7,153,291,458.4921 lea | 7,376,831,816.57 lea | 7,600,372,174.6479 lea | 7,823,912,532.7258 lea | 8,047,452,890.8036 lea | 8,270,993,248.8815 lea | 8,494,533,606.9594 lea | 8,718,073,965.0373 lea | 8,941,614,323.1152 lea | 9,165,154,681.193 lea | 9,388,695,039.2709 lea | 9,612,235,397.3488 lea | 9,835,775,755.4267 lea | 10,059,316,113.505 lea | 10,282,856,471.582 lea | 10,506,396,829.66 lea | 10,729,937,187.738 lea | 10,953,477,545.816 lea | 11,177,017,903.894 lea | 11,400,558,261.972 lea | 11,624,098,620.05 lea | 11,847,638,978.128 lea | 12,071,179,336.205 lea | 12,294,719,694.283 lea | 12,518,260,052.361 lea | 12,741,800,410.439 lea | 12,965,340,768.517 lea | 13,188,881,126.595 lea | 13,412,421,484.673 lea | 13,635,961,842.751 lea | 13,859,502,200.829 lea | 14,083,042,558.906 lea | 14,306,582,916.984 lea | 14,530,123,275.062 lea | 14,753,663,633.14 lea | 14,977,203,991.218 lea | 15,200,744,349.296 lea | 15,424,284,707.374 lea | 15,647,825,065.452 lea | 15,871,365,423.529 lea | 16,094,905,781.607 lea | 16,318,446,139.685 lea | 16,541,986,497.763 lea | 16,765,526,855.841 lea | 16,989,067,213.919 lea | 17,212,607,571.997 lea | 17,436,147,930.075 lea | 17,659,688,288.152 lea | 17,883,228,646.23 lea | 18,106,769,004.308 lea | 18,330,309,362.386 lea | 18,553,849,720.464 lea | 18,777,390,078.542 lea | 19,000,930,436.62 lea | 19,224,470,794.698 lea | 19,448,011,152.775 lea | 19,671,551,510.853 lea | 19,895,091,868.931 lea | 20,118,632,227.009 lea | 20,342,172,585.087 lea | 20,565,712,943.165 lea | 20,789,253,301.243 lea | 21,012,793,659.321 lea | 21,236,334,017.399 lea | 21,459,874,375.476 lea | 21,683,414,733.554 lea | 21,906,955,091.632 lea | 22,130,495,449.71 lea | 22,354,035,807.788 lea |
The light-hour is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space in onehour, and is equal to exactly 1.0792528488×1012 metres.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
light-hour | ≡ 60 light-minutes | ≡ 1.0792528488×1012 m | Science - Astronomy (Length) |
light-hours | leagues (land) | light-hours | leagues (land) |
---|---|---|---|
1 | = 223540358.07788 | 4 | = 894161432.31152 |
1.5 | = 335310537.11682 | 4.5 | = 1005931611.3505 |
2 | = 447080716.15576 | 5 | = 1117701790.3894 |
2.5 | = 558850895.1947 | 5.5 | = 1229471969.4283 |
3 | = 670621074.23364 | 6 | = 1341242148.4673 |
A league is a unit of length (or, in various regions, area). It was common in Europe and Latin America, but is no longer an official unit in any nation. The word originally meant the distance a person could walk in an hour. Since the Middle Ages, many values have been specified in several countries.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
league (land) | lea | ≈ 1 hour walk, Currently defined in US as 3 Statute miles, but historically varied from 2 to 9 km | ≈ 4828 m | Imperial/US |
leagues (land) | light-hours | leagues (land) | light-hours |
---|---|---|---|
1 | = 4.4734651433797E-9 | 4 | = 1.7893860573519E-8 |
1.5 | = 6.7101977150695E-9 | 4.5 | = 2.0130593145208E-8 |
2 | = 8.9469302867593E-9 | 5 | = 2.2367325716898E-8 |
2.5 | = 1.1183662858449E-8 | 5.5 | = 2.4604058288588E-8 |
3 | = 1.3420395430139E-8 | 6 | = 2.6840790860278E-8 |
light-hours | leagues (land) |
---|---|
1 | = 223,540,358.07788 |
4.4734651433797 × 10-9 | = 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 …) |