Measurement calculator that can be used to convert Light years to Fathom, among others: 1 Light years = 5 173 190 328 401 600 Fathom [fm]
Convert Light years to Fathom:Choose the right category from the selection list, in this case 'Distance'. Next enter the value you want to convert. From the selection list, choose the unit that corresponds to the value you want to convert, in this case 'Light years'. Finally choose the unit you want the value to be converted to, in this case 'Fathom [fm]'.