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 |
quarter | 4,721,141,070,866.1 qr. | 9,442,282,141,732.3 qr. | 14 163 423 212 598 qr. | 18 884 564 283 465 qr. | 23 605 705 354 331 qr. | 28 326 846 425 197 qr. | 33 047 987 496 063 qr. | 37 769 128 566 929 qr. | 42 490 269 637 795 qr. | 47 211 410 708 661 qr. | 51 932 551 779 528 qr. | 56 653 692 850 394 qr. | 61 374 833 921 260 qr. | 66 095 974 992 126 qr. | 70 817 116 062 992 qr. | 75 538 257 133 858 qr. | 80 259 398 204 724 qr. | 84 980 539 275 591 qr. | 89 701 680 346 457 qr. | 94 422 821 417 323 qr. | 99 143 962 488 189 qr. | 1.0386510355906 × 1014 qr. | 1.0858624462992 × 1014 qr. | 1.1330738570079 × 1014 qr. | 1.1802852677165 × 1014 qr. | 1.2274966784252 × 1014 qr. | 1.2747080891339 × 1014 qr. | 1.3219194998425 × 1014 qr. | 1.3691309105512 × 1014 qr. | 1.4163423212598 × 1014 qr. | 1.4635537319685 × 1014 qr. | 1.5107651426772 × 1014 qr. | 1.5579765533858 × 1014 qr. | 1.6051879640945 × 1014 qr. | 1.6523993748031 × 1014 qr. | 1.6996107855118 × 1014 qr. | 1.7468221962205 × 1014 qr. | 1.7940336069291 × 1014 qr. | 1.8412450176378 × 1014 qr. | 1.8884564283465 × 1014 qr. | 1.9356678390551 × 1014 qr. | 1.9828792497638 × 1014 qr. | 2.0300906604724 × 1014 qr. | 2.0773020711811 × 1014 qr. | 2.1245134818898 × 1014 qr. | 2.1717248925984 × 1014 qr. | 2.2189363033071 × 1014 qr. | 2.2661477140157 × 1014 qr. | 2.3133591247244 × 1014 qr. | 2.3605705354331 × 1014 qr. | 2.4077819461417 × 1014 qr. | 2.4549933568504 × 1014 qr. | 2.5022047675591 × 1014 qr. | 2.5494161782677 × 1014 qr. | 2.5966275889764 × 1014 qr. | 2.643838999685 × 1014 qr. | 2.6910504103937 × 1014 qr. | 2.7382618211024 × 1014 qr. | 2.785473231811 × 1014 qr. | 2.8326846425197 × 1014 qr. | 2.8798960532283 × 1014 qr. | 2.927107463937 × 1014 qr. | 2.9743188746457 × 1014 qr. | 3.0215302853543 × 1014 qr. | 3.068741696063 × 1014 qr. | 3.1159531067717 × 1014 qr. | 3.1631645174803 × 1014 qr. | 3.210375928189 × 1014 qr. | 3.2575873388976 × 1014 qr. | 3.3047987496063 × 1014 qr. | 3.352010160315 × 1014 qr. | 3.3992215710236 × 1014 qr. | 3.4464329817323 × 1014 qr. | 3.4936443924409 × 1014 qr. | 3.5408558031496 × 1014 qr. | 3.5880672138583 × 1014 qr. | 3.6352786245669 × 1014 qr. | 3.6824900352756 × 1014 qr. | 3.7297014459843 × 1014 qr. | 3.7769128566929 × 1014 qr. | 3.8241242674016 × 1014 qr. | 3.8713356781102 × 1014 qr. | 3.9185470888189 × 1014 qr. | 3.9657584995276 × 1014 qr. | 4.0129699102362 × 1014 qr. | 4.0601813209449 × 1014 qr. | 4.1073927316535 × 1014 qr. | 4.1546041423622 × 1014 qr. | 4.2018155530709 × 1014 qr. | 4.2490269637795 × 1014 qr. | 4.2962383744882 × 1014 qr. | 4.3434497851969 × 1014 qr. | 4.3906611959055 × 1014 qr. | 4.4378726066142 × 1014 qr. | 4.4850840173228 × 1014 qr. | 4.5322954280315 × 1014 qr. | 4.5795068387402 × 1014 qr. | 4.6267182494488 × 1014 qr. | 4.6739296601575 × 1014 qr. | 4.7211410708661 × 1014 qr. |
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 | quarters | light-hours | quarters |
---|---|---|---|
1 | = 4721141070866.1 | 4 | = 18884564283465 |
1.5 | = 7081711606299.2 | 4.5 | = 21245134818898 |
2 | = 9442282141732.3 | 5 | = 23605705354331 |
2.5 | = 11802852677165 | 5.5 | = 25966275889764 |
3 | = 14163423212598 | 6 | = 28326846425197 |
The quarter (lit. "one-fourth") is used as the name of several distinct English units based on ¼ sizes of some base unit.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter | qr. | ≡ 1⁄4 yd | = 0.2286 m | Metric system SI |
quarters | light-hours | quarters | light-hours |
---|---|---|---|
1 | = 2.1181320045083E-13 | 4 | = 8.4725280180331E-13 |
1.5 | = 3.1771980067624E-13 | 4.5 | = 9.5315940202872E-13 |
2 | = 4.2362640090165E-13 | 5 | = 1.0590660022541E-12 |
2.5 | = 5.2953300112707E-13 | 5.5 | = 1.1649726024795E-12 |
3 | = 6.3543960135248E-13 | 6 | = 1.270879202705E-12 |
light-hours | quarters |
---|---|
1 | = 4,721,141,070,866.1 |
2.1181320045083 × 10-13 | = 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 …) |