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Convert Light Years (ly) to Miles (mi)

Result
Swap units (mi → ly)

Quick reference for converting Light Years to Miles

Formula
mi = ly × 5,878,630,000,000
Quick rough maths
To get the Miles, multiply the Light Years by 5,900,000,000,000.
Light Years (ly) in 1 Mile
There are 1.70108 × 10⁻¹³ Light Years in 1 Mile
Miles (mi) in 1 Light Year
There are 5,878,630,000,000 Miles in 1 Light Year

Conversion table: Light Years (ly) to Miles (mi)

0ly – 24ly
0ly0mi
1ly5,878,625,373,000mi
2ly11,757,250,750,000mi
3ly17,635,876,120,000mi
4ly23,514,501,490,000mi
5ly29,393,126,870,000mi
6ly35,271,752,240,000mi
7ly41,150,377,610,000mi
8ly47,029,002,990,000mi
9ly52,907,628,360,000mi
10ly58,786,253,730,000mi
11ly64,664,879,110,000mi
12ly70,543,504,480,000mi
13ly76,422,129,850,000mi
14ly82,300,755,220,000mi
15ly88,179,380,600,000mi
16ly94,058,005,970,000mi
17ly99,936,631,340,000mi
18ly105,815,256,700,000mi
19ly111,693,882,100,000mi
20ly117,572,507,500,000mi
21ly123,451,132,800,000mi
22ly129,329,758,200,000mi
23ly135,208,383,600,000mi
24ly141,087,009,000,000mi
25ly – 49ly
25ly146,965,634,300,000mi
26ly152,844,259,700,000mi
27ly158,722,885,100,000mi
28ly164,601,510,400,000mi
29ly170,480,135,800,000mi
30ly176,358,761,200,000mi
31ly182,237,386,600,000mi
32ly188,116,011,900,000mi
33ly193,994,637,300,000mi
34ly199,873,262,700,000mi
35ly205,751,888,100,000mi
36ly211,630,513,400,000mi
37ly217,509,138,800,000mi
38ly223,387,764,200,000mi
39ly229,266,389,600,000mi
40ly235,145,014,900,000mi
41ly241,023,640,300,000mi
42ly246,902,265,700,000mi
43ly252,780,891,000,000mi
44ly258,659,516,400,000mi
45ly264,538,141,800,000mi
46ly270,416,767,200,000mi
47ly276,295,392,500,000mi
48ly282,174,017,900,000mi
49ly288,052,643,300,000mi
50ly – 74ly
50ly293,931,268,700,000mi
51ly299,809,894,000,000mi
52ly305,688,519,400,000mi
53ly311,567,144,800,000mi
54ly317,445,770,200,000mi
55ly323,324,395,500,000mi
56ly329,203,020,900,000mi
57ly335,081,646,300,000mi
58ly340,960,271,600,000mi
59ly346,838,897,000,000mi
60ly352,717,522,400,000mi
61ly358,596,147,800,000mi
62ly364,474,773,100,000mi
63ly370,353,398,500,000mi
64ly376,232,023,900,000mi
65ly382,110,649,300,000mi
66ly387,989,274,600,000mi
67ly393,867,900,000,000mi
68ly399,746,525,400,000mi
69ly405,625,150,700,000mi
70ly411,503,776,100,000mi
71ly417,382,401,500,000mi
72ly423,261,026,900,000mi
73ly429,139,652,200,000mi
74ly435,018,277,600,000mi
75ly – 99ly
75ly440,896,903,000,000mi
76ly446,775,528,400,000mi
77ly452,654,153,700,000mi
78ly458,532,779,100,000mi
79ly464,411,404,500,000mi
80ly470,290,029,900,000mi
81ly476,168,655,200,000mi
82ly482,047,280,600,000mi
83ly487,925,906,000,000mi
84ly493,804,531,300,000mi
85ly499,683,156,700,000mi
86ly505,561,782,100,000mi
87ly511,440,407,500,000mi
88ly517,319,032,800,000mi
89ly523,197,658,200,000mi
90ly529,076,283,600,000mi
91ly534,954,909,000,000mi
92ly540,833,534,300,000mi
93ly546,712,159,700,000mi
94ly552,590,785,100,000mi
95ly558,469,410,500,000mi
96ly564,348,035,800,000mi
97ly570,226,661,200,000mi
98ly576,105,286,600,000mi
99ly581,983,911,900,000mi

Unit information

Light Year
/lʌɪt jɪə,jəː/
Symbol: ly
Unit system: Astronomical System of Units

What is the Light Year?

The light year is a unit of length in the Astronomical system of units. It uses the symbol ly.

Often confused with a unit of time as it contains the word "year", it is actually defined by the International Astronomical Union (IAU) as the amount of distance that light travels in a vacuum in one Julian year (365.25 days).

Using the speed of light (299,792,458 m/s or 'c') and the Julian year (as apposed to the Gregorian year which is 365.2425 days), we can equivalate 1 light year as 9,460,730,472,580,800 metres or ≈ 9.46 trillion kilometres.

Mile
/mʌɪl/
Symbol: mi
Unit system: Imperial

What is the Mile?

The mile is a unit of length in the imperial unit system with the symbol mi.

It was originally an English unit but was adopted by many countries who all had their own slight variation on definition. The English mile, however, is equal to 63,360 inches, 5280 ft or 1760 yards.

The UK still uses the mile on all roadway signs rather than the kilometre; its SI "equivalent". It used to have the symbol 'm' until SI was established and it was changed to avoid confusion with the unit metre.

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