Convert light years (ly) to miles (mi) with formulas, examples, and conversion tables.
How to Convert light years to miles
To convert light years to miles, multiply the value by 5.87879284976e12.
The Formula
miles = light years × 5.87879284976e12
Key Fact
1 light year = 5.87879284976e12 miles
Tip: To convert miles back to light years, divide by 5.87879284976e12.
About Light Years and Miles
What is a Light Year?
The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.
What is a Mile?
The mile (mi) is a unit of length in the imperial system. One mile equals 1609.344 meters.