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.
Lightyears to Nautical Miles
There is more than one type of Nautical Miles. Please use the appropriate variation from the list below.
Lightyears to UK Nautical Miles
Lightyears to US Nautical Miles
Lightyears to International Nautical Miles