Miles to Light Years Converter
Convert miles (mi) to light years (ly)
Result
1 mi = 1.701078 × 10⁻¹³ ly
1 mi in other units
- 1Enter a valueType the number to convert
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- 3Read the resultSee it in every other unit too
How to convert miles to light years
There are 58,78,62,50,00,000 miles in one light year, so divide the number of miles by 58,78,62,50,00,000.
ly = mi ÷ 58,78,62,50,00,000
1 mi = 1.701078 × 10⁻¹³ ly · 1 ly = 58,78,62,50,00,000 mi
Worked example
To convert 5 miles to light years: 5 mi ÷ 58,78,62,50,00,000 = 8.50539 × 10⁻¹³ ly.
About miles (mi)
A mile is 5,280 feet, exactly 1.609344 km. Road distances in the US and UK are measured in miles.
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.
More conversions
Miles to other units
Frequently asked questions
How many light years are in one mile?
One mile equals 1.701078 × 10⁻¹³ light years.
How many miles are in one light year?
One light year equals 58,78,62,50,00,000 miles.
How do I convert miles to light years?
Use the formula ly = mi ÷ 58,78,62,50,00,000. For example, 5 mi ÷ 58,78,62,50,00,000 = 8.50539 × 10⁻¹³ ly.