light-year | 1 ly | 2 ly | 3 ly | 4 ly | 5 ly | 6 ly | 7 ly | 8 ly | 9 ly | 10 ly | 11 ly | 12 ly | 13 ly | 14 ly | 15 ly | 16 ly | 17 ly | 18 ly | 19 ly | 20 ly | 21 ly | 22 ly | 23 ly | 24 ly | 25 ly | 26 ly | 27 ly | 28 ly | 29 ly | 30 ly | 31 ly | 32 ly | 33 ly | 34 ly | 35 ly | 36 ly | 37 ly | 38 ly | 39 ly | 40 ly | 41 ly | 42 ly | 43 ly | 44 ly | 45 ly | 46 ly | 47 ly | 48 ly | 49 ly | 50 ly | 51 ly | 52 ly | 53 ly | 54 ly | 55 ly | 56 ly | 57 ly | 58 ly | 59 ly | 60 ly | 61 ly | 62 ly | 63 ly | 64 ly | 65 ly | 66 ly | 67 ly | 68 ly | 69 ly | 70 ly | 71 ly | 72 ly | 73 ly | 74 ly | 75 ly | 76 ly | 77 ly | 78 ly | 79 ly | 80 ly | 81 ly | 82 ly | 83 ly | 84 ly | 85 ly | 86 ly | 87 ly | 88 ly | 89 ly | 90 ly | 91 ly | 92 ly | 93 ly | 94 ly | 95 ly | 96 ly | 97 ly | 98 ly | 99 ly | 100 ly |
terameter | 9,460.5284049 Tm | 18,921.0568098 Tm | 28,381.5852146 Tm | 37,842.1136195 Tm | 47,302.6420244 Tm | 56,763.1704293 Tm | 66,223.6988342 Tm | 75,684.2272390 Tm | 85,144.7556439 Tm | 94,605.2840488 Tm | 104,065.8124537 Tm | 113,526.3408586 Tm | 122,986.8692634 Tm | 132,447.3976683 Tm | 141,907.9260732 Tm | 151,368.4544781 Tm | 160,828.9828830 Tm | 170,289.5112878 Tm | 179,750.0396927 Tm | 189,210.5680976 Tm | 198,671.0965025 Tm | 208,131.6249074 Tm | 217,592.1533122 Tm | 227,052.6817171 Tm | 236,513.2101220 Tm | 245,973.7385269 Tm | 255,434.2669317 Tm | 264,894.7953366 Tm | 274,355.3237415 Tm | 283,815.8521464 Tm | 293,276.3805513 Tm | 302,736.9089561 Tm | 312,197.4373610 Tm | 321,657.9657659 Tm | 331,118.4941708 Tm | 340,579.0225757 Tm | 350,039.5509805 Tm | 359,500.0793854 Tm | 368,960.6077903 Tm | 378,421.1361952 Tm | 387,881.6646001 Tm | 397,342.1930049 Tm | 406,802.7214098 Tm | 416,263.2498147 Tm | 425,723.7782196 Tm | 435,184.3066245 Tm | 444,644.8350293 Tm | 454,105.3634342 Tm | 463,565.8918391 Tm | 473,026.4202440 Tm | 482,486.9486489 Tm | 491,947.4770537 Tm | 501,408.0054586 Tm | 510,868.5338635 Tm | 520,329.0622684 Tm | 529,789.5906733 Tm | 539,250.1190781 Tm | 548,710.6474830 Tm | 558,171.1758879 Tm | 567,631.7042928 Tm | 577,092.2326976 Tm | 586,552.7611025 Tm | 596,013.2895074 Tm | 605,473.8179123 Tm | 614,934.3463172 Tm | 624,394.8747220 Tm | 633,855.4031269 Tm | 643,315.9315318 Tm | 652,776.4599367 Tm | 662,236.9883416 Tm | 671,697.5167464 Tm | 681,158.0451513 Tm | 690,618.5735562 Tm | 700,079.1019611 Tm | 709,539.6303660 Tm | 719,000.1587708 Tm | 728,460.6871757 Tm | 737,921.2155806 Tm | 747,381.7439855 Tm | 756,842.2723904 Tm | 766,302.8007952 Tm | 775,763.3292001 Tm | 785,223.8576050 Tm | 794,684.3860099 Tm | 804,144.9144148 Tm | 813,605.4428196 Tm | 823,065.9712245 Tm | 832,526.4996294 Tm | 841,987.0280343 Tm | 851,447.5564392 Tm | 860,908.0848440 Tm | 870,368.6132489 Tm | 879,829.1416538 Tm | 889,289.6700587 Tm | 898,750.1984635 Tm | 908,210.7268684 Tm | 917,671.2552733 Tm | 927,131.7836782 Tm | 936,592.3120831 Tm | 946,052.8404879 Tm |
The light-year is a unit of length used to express astronomical distances. It is about 9.5 quadrillion metres or 5.9 trillion miles. As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days). Because it includes the word "year", the term light-year is sometimes misinterpreted as a unit of time.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
light-year | ly | ≡ Distance light travels in vacuum in 365.25 days | = 9.4607304725808×1015 m | Science - Astronomy (Length) |
light-years | terameters | light-years | terameters |
---|---|---|---|
1 | = 9460.5284048794 | 4 | = 37842.113619518 |
1.5 | = 14190.792607319 | 4.5 | = 42572.377821957 |
2 | = 18921.056809759 | 5 | = 47302.642024397 |
2.5 | = 23651.321012198 | 5.5 | = 52032.906226837 |
3 | = 28381.585214638 | 6 | = 56763.170429276 |
Terameter or teramatre is equal to 1E+12 (1012) meters (unit of length), comes from a combination of the metric prefix tera (T) and the SI unit of length meter (m). Plural name is terameters.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
terameter | Tm | ≡ 1×1012 m | ≡ 1×1012 m | Metric system SI |
terameters | light-years | terameters | light-years |
---|---|---|---|
1 | = 0.00010570234105362 | 4 | = 0.00042280936421447 |
1.5 | = 0.00015855351158043 | 4.5 | = 0.00047566053474128 |
2 | = 0.00021140468210724 | 5 | = 0.00052851170526809 |
2.5 | = 0.00026425585263404 | 5.5 | = 0.0005813628757949 |
3 | = 0.00031710702316085 | 6 | = 0.00063421404632171 |
light-years | terameters |
---|---|
1 | = 9,460.5284049 |
0.0001057 | = 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 …) |