Convert light years to miles
Light years to miles. Enter a value to convert, or use the light years to miles chart further down the page.
1 light year equals 5,878,625,373,000 miles. Going the other way, 1 mile = 1.70107795e-13 light years.
How to convert light years to miles
To convert light years to miles, multiply the light year value by 5878625373000. You can also divide by 1.70107795e-13 to get the same answer.
mi = ly × 5878625373000
Worked example
Convert 15 ly to miles:
15 ly = 88,179,380,600,000 mi
light years to miles conversion chart
Use this light years to miles table for quick reference without typing anything.
| light years (ly) | miles (mi) |
|---|---|
| 0.01 ly | 58,786,253,730 mi |
| 0.1 ly | 587,862,537,300 mi |
| 1 ly | 5,878,625,373,000 mi |
| 2 ly | 11,757,250,750,000 mi |
| 3 ly | 17,635,876,120,000 mi |
| 5 ly | 29,393,126,870,000 mi |
| 10 ly | 58,786,253,730,000 mi |
| 20 ly | 117,572,507,500,000 mi |
| 50 ly | 293,931,268,700,000 mi |
| 100 ly | 587,862,537,300,000 mi |
| 1,000 ly | 5.878625373e15 mi |
What is a light year?
A light year is the distance light travels in one Julian year: 9,460,730,472,580,800 meters, or about 9.46 trillion kilometers.
What is a mile?
The international mile is exactly 1,609.344 meters, or 5,280 feet. It is the standard unit of road distance and speed limits in the United States and the United Kingdom.
Frequently asked questions
How many miles are in a light year?
1 light years equals 5,878,625,373,000 miles. Going the other way, 1 miles is 1.70107795e-13 light years.
How do you convert light years to miles?
To convert light years to miles, multiply the light year value by 5878625373000. You can also divide by 1.70107795e-13 to get the same answer.
What is 10 light years in miles?
10 light years equals 58,786,253,730,000 miles. The conversion chart on this page lists the other values people look up most often.
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