Distance Conversion

Quick Reference for Distance Conversion

millimetre (mm) to metre (m): 1E-3
centimetre (cm) to m: 1E-2
kilometre (km) to m: 1E3

inch (in) to m: 2.54E-2
foot (ft) to m: 3.048E-1 (12 in)
yard (yd) to m: 0.9144 exactly (3 ft)
fathom to m: 1.8288 (2 yd)
chain to m: 2.01168E1 (22 yd)
furlong to m: 2.01168E2 (10 chains, 220 yd)
cable - not precisely defined, 608ft (1/10 UK nautical mile) or 720 ft (120 fathoms)
mile to m: 1.609344E3 (1760 yd)
nautical mile (UK) to m: 1.853184E3 (6080 ft)

nautical mile (international) (n mile) to m: 1.852E3
league - not precisely defined, about 3 miles

astronomic(al) unit (AU) to m: 1.49597870E11
light year (l.y.) to m: 9.4607E15
parsec (pc) to m: 3.0857E16