Längenmaß

1 '	Yard Abk.: yd	= 3 ft = 36 in = 0,9144 m	1 m	= 1,0936 yd
1 "	Inch, Zoll Abk: in	= 25,40 mm	1 m	= 39,37 in
1 fm	Fathom, Faden Abk.: fm	= 1,852 m = 1/1000 Seemeile	1 m	= 0,5399 fm
1 ft	Foot, Fuß Abk.: ft	= 0,3048 m = 12 in	1 m	= 3,2808 ft
1 Kabel		= 1/10 Seemeile = 185,2 m	1 km	= 5,40 Kabel
1 sm	Seemeile Abk.: sm	etwa 1.852 m	1 km	= 0,5399 sm
1 nm	nautische Meile Abk.: nm	genau 1.852 m	1 km	= 0,5399 sm