Convert Light Years to Miles
1 light year = 5,878,625,373,184 miles. Type any value below to convert in either direction — the calculation happens in your browser.
Guide & FAQLight Years to Miles formula · Light Years to Miles conversion table · Miles to Light Years conversion table · About the light year · About the mile · Frequently asked questions
Light Years to Miles formula
Multiply the number of light years by 5,878,625,373,184 to get miles.
miles = light years × 5,878,625,373,184To go the other way: divide the number of miles by 5,878,625,373,184, or multiply by 1.701078e-13.
light years = miles ÷ 5,878,625,373,184Light Years to Miles conversion table
| Light Years | Miles |
|---|---|
| 1 ly | 5,878,625,373,184 mi |
| 2 ly | 11,757,250,746,367 mi |
| 3 ly | 17,635,876,119,551 mi |
| 4 ly | 23,514,501,492,734 mi |
| 5 ly | 29,393,126,865,918 mi |
| 6 ly | 35,271,752,239,102 mi |
| 7 ly | 41,150,377,612,285 mi |
| 8 ly | 47,029,002,985,469 mi |
| 9 ly | 52,907,628,358,652 mi |
| 10 ly | 58,786,253,731,836 mi |
| 15 ly | 88,179,380,597,754 mi |
| 20 ly | 117,572,507,463,672 mi |
| 25 ly | 146,965,634,329,590 mi |
| 30 ly | 176,358,761,195,508 mi |
| 40 ly | 235,145,014,927,344 mi |
| 50 ly | 293,931,268,659,180 mi |
| 75 ly | 440,896,902,988,771 mi |
| 100 ly | 587,862,537,318,361 mi |
| 250 ly | 1.469656e+15 mi |
| 500 ly | 2.939313e+15 mi |
| 1,000 ly | 5.878625e+15 mi |
Miles to Light Years conversion table
| Miles | Light Years |
|---|---|
| 1 mi | 1.701078e-13 ly |
| 2 mi | 3.402156e-13 ly |
| 3 mi | 5.103234e-13 ly |
| 4 mi | 6.804312e-13 ly |
| 5 mi | 8.505390e-13 ly |
| 6 mi | 1.020647e-12 ly |
| 7 mi | 1.190755e-12 ly |
| 8 mi | 1.360862e-12 ly |
| 9 mi | 1.530970e-12 ly |
| 10 mi | 1.701078e-12 ly |
About the light year
A light year is the distance light travels in one Julian year, about 9.46 trillion kilometres.
About the mile
The international mile is exactly 1,609.344 metres, or 5,280 feet, and is the road-distance unit of the United States and United Kingdom.
Frequently asked questions
How many miles are in a light year?
There are 5,878,625,373,184 miles in one light year.
How many light years are in a mile?
There are 1.701078e-13 light years in one mile.
Is this conversion exact?
The conversion factor is fixed, but its decimal expansion is infinite, so values are rounded to seven significant figures for display.
What is 10 light years in miles?
10 light years equals 58,786,253,731,836 miles.