Light Years to Miles Converter
Convert light years (ly) to miles (mi)
Result
1 ly = 58,78,62,53,73,000 mi
1 ly in other units
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How to convert light years to miles
One light year equals 58,78,62,50,00,000 miles, so multiply the number of light years by 58,78,62,50,00,000.
mi = ly × 58,78,62,50,00,000
1 ly = 58,78,62,50,00,000 mi · 1 mi = 1.701078 × 10⁻¹³ ly
Worked example
To convert 5 light years to miles: 5 ly × 58,78,62,50,00,000 = 2,93,93,13,00,00,000 mi.
About light years (ly)
A light year is the distance light travels in one Julian year, about 9.46 trillion km. It is used for distances between stars.
About miles (mi)
A mile is 5,280 feet, exactly 1.609344 km. Road distances in the US and UK are measured in miles.
More conversions
Light Years to other units
Frequently asked questions
How many miles are in one light year?
One light year equals 58,78,62,50,00,000 miles.
How many light years are in one mile?
One mile equals 1.701078 × 10⁻¹³ light years.
How do I convert light years to miles?
Use the formula mi = ly × 58,78,62,50,00,000. For example, 5 ly × 58,78,62,50,00,000 = 2,93,93,13,00,00,000 mi.