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mile mile [Britain, ancient] mile [international] mile [Irish] mile [Roman, ancient] mile [Scottish] mile [statute] mile [survey] mile [statute, international] mile [statute, US] |
to |
light years |

How many mile in 1 light years?
The answer is 5878625373183.6.

We assume you are converting between **mile** and **light year**.

You can view more details on each measurement unit:

mile or
light years

The SI base unit for **length** is the metre.

1 metre is equal to 0.00062137119223733 mile, or 1.0570008340246E-16 light years.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between miles and light years.

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You can do the reverse unit conversion from light years to mile, or enter any two units below:

A mile is any of several units of distance, or, in physics terminology, of length. Today, one mile is mainly equal to about 1609 m on land and 1852 m at sea and in the air, but see below for the details. The abbreviation for mile is 'mi'. There are more specific definitions of 'mile' such as the metric mile, statute mile, nautical mile, and survey mile. On this site, we assume that if you only specify 'mile' you want the statute mile.

A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).

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