›› Convert foot to light year


feet
light-year

›› More information from the unit converter

How many feet in 1 light-year? The answer is 3.1039141970409E+16.
We assume you are converting between foot and light year.
You can view more details on each measurement unit:
feet or light-year
The SI base unit for length is the metre.
1 metre is equal to 3.2808398950131 feet, or 1.0570008340246E-16 light-year.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between feet and light years.
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›› Definition: Foot

A foot (plural: feet) is a non-SI unit of distance or length, measuring around a third of a metre. There are twelve inches in one foot and three feet in one yard.


›› Definition: Light-year

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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