Feet to Lightyears

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ly =
ft * 3.22173843350296e-17
 
 
 
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More information: Feet
Lightyears to Feet (Swap Units) Feet to Lightyears table

Feet

In 1959 the international yard and pound agreement (between the United States and countries of the Commonwealth of Nations) defined a yard as being exactly 0.9144 metres, which in turn defined the foot as being exactly 0.3048 metres (304.8 mm).

ly =
ft * 3.22173843350296e-17
 
 
 

Lightyears

A lightyear is the distance that light travels in one year. Since there are various definitions for the length of a year, there are correspondingly slightly different values for a lightyear. One lightyear corresponds to about 9.461e15 m, 5.879e12 mi, or 63239.7 AU, or 0.3066 pc.

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