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 |
thou | 4.2490269637795 × 1016 th | 8.4980539275591 × 1016 th | 1.2747080891339 × 1017 th | 1.6996107855118 × 1017 th | 2.1245134818898 × 1017 th | 2.5494161782677 × 1017 th | 2.9743188746457 × 1017 th | 3.3992215710236 × 1017 th | 3.8241242674016 × 1017 th | 4.2490269637795 × 1017 th | 4.6739296601575 × 1017 th | 5.0988323565354 × 1017 th | 5.5237350529134 × 1017 th | 5.9486377492913 × 1017 th | 6.3735404456693 × 1017 th | 6.7984431420472 × 1017 th | 7.2233458384252 × 1017 th | 7.6482485348031 × 1017 th | 8.0731512311811 × 1017 th | 8.4980539275591 × 1017 th | 8.922956623937 × 1017 th | 9.347859320315 × 1017 th | 9.7727620166929 × 1017 th | 1.0197664713071 × 1018 th | 1.0622567409449 × 1018 th | 1.1047470105827 × 1018 th | 1.1472372802205 × 1018 th | 1.1897275498583 × 1018 th | 1.2322178194961 × 1018 th | 1.2747080891339 × 1018 th | 1.3171983587717 × 1018 th | 1.3596886284094 × 1018 th | 1.4021788980472 × 1018 th | 1.444669167685 × 1018 th | 1.4871594373228 × 1018 th | 1.5296497069606 × 1018 th | 1.5721399765984 × 1018 th | 1.6146302462362 × 1018 th | 1.657120515874 × 1018 th | 1.6996107855118 × 1018 th | 1.7421010551496 × 1018 th | 1.7845913247874 × 1018 th | 1.8270815944252 × 1018 th | 1.869571864063 × 1018 th | 1.9120621337008 × 1018 th | 1.9545524033386 × 1018 th | 1.9970426729764 × 1018 th | 2.0395329426142 × 1018 th | 2.082023212252 × 1018 th | 2.1245134818898 × 1018 th | 2.1670037515276 × 1018 th | 2.2094940211654 × 1018 th | 2.2519842908031 × 1018 th | 2.2944745604409 × 1018 th | 2.3369648300787 × 1018 th | 2.3794550997165 × 1018 th | 2.4219453693543 × 1018 th | 2.4644356389921 × 1018 th | 2.5069259086299 × 1018 th | 2.5494161782677 × 1018 th | 2.5919064479055 × 1018 th | 2.6343967175433 × 1018 th | 2.6768869871811 × 1018 th | 2.7193772568189 × 1018 th | 2.7618675264567 × 1018 th | 2.8043577960945 × 1018 th | 2.8468480657323 × 1018 th | 2.8893383353701 × 1018 th | 2.9318286050079 × 1018 th | 2.9743188746457 × 1018 th | 3.0168091442835 × 1018 th | 3.0592994139213 × 1018 th | 3.1017896835591 × 1018 th | 3.1442799531969 × 1018 th | 3.1867702228346 × 1018 th | 3.2292604924724 × 1018 th | 3.2717507621102 × 1018 th | 3.314241031748 × 1018 th | 3.3567313013858 × 1018 th | 3.3992215710236 × 1018 th | 3.4417118406614 × 1018 th | 3.4842021102992 × 1018 th | 3.526692379937 × 1018 th | 3.5691826495748 × 1018 th | 3.6116729192126 × 1018 th | 3.6541631888504 × 1018 th | 3.6966534584882 × 1018 th | 3.739143728126 × 1018 th | 3.7816339977638 × 1018 th | 3.8241242674016 × 1018 th | 3.8666145370394 × 1018 th | 3.9091048066772 × 1018 th | 3.951595076315 × 1018 th | 3.9940853459528 × 1018 th | 4.0365756155906 × 1018 th | 4.0790658852283 × 1018 th | 4.1215561548661 × 1018 th | 4.1640464245039 × 1018 th | 4.2065366941417 × 1018 th | 4.2490269637795 × 1018 th |
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 | thous | light-hours | thous |
---|---|---|---|
1 | ≡ 4.2490269637795E+16 | 4 | ≡ 1.6996107855118E+17 |
1.5 | ≡ 6.3735404456693E+16 | 4.5 | ≡ 1.9120621337008E+17 |
2 | ≡ 8.4980539275591E+16 | 5 | ≡ 2.1245134818898E+17 |
2.5 | ≡ 1.0622567409449E+17 | 5.5 | ≡ 2.3369648300787E+17 |
3 | ≡ 1.2747080891339E+17 | 6 | ≡ 2.5494161782677E+17 |
A thousandth of an inch is a derived unit of length in an inch-based system of units. Equal to 0.001 inches, it is normally referred to as a thou /ˈθaʊ/, a thousandth, or (particularly in the United States) a mil.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
thou | th | ≡ 1×10−3 in | ≡ 2.54×10−5 m | Imperial/US |
thous | light-hours | thous | light-hours |
---|---|---|---|
1 | ≡ 2.3534800050092E-17 | 4 | ≡ 9.4139200200367E-17 |
1.5 | ≡ 3.5302200075138E-17 | 4.5 | ≡ 1.0590660022541E-16 |
2 | ≡ 4.7069600100184E-17 | 5 | ≡ 1.1767400025046E-16 |
2.5 | ≡ 5.883700012523E-17 | 5.5 | ≡ 1.2944140027551E-16 |
3 | ≡ 7.0604400150276E-17 | 6 | ≡ 1.4120880030055E-16 |
light-hours | thous |
---|---|
1 | ≡ 4.2490269637795 × 1016 |
2.3534800050092 × 10-17 | ≡ 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 …) |