Units of length conversion

The following utility will enable you to convert lengh expressed in one unit to another unit

Choose the units your number is represented in

Length is generally expressed in metres (m).


The information in the table below provides a method of converting length from other units to metres.
Convert From Multiply by
astronomical unit (AU) 149 597 900 000
chain (based on U.S. survey foot) 20.116 84
fathom (based on U.S. survey foot) 1.828 804
fermi 0.000 000 000 000 001
foot (ft) 0.3048
foot (U.S. survey)(ft) 0.304 800 6
inch 0.025 4
light year (l.y.) 9 460 730 000 000 000
microinch 0.000 000 025 4
micron 0.000 001
mil (0.001 in) 0. 000 025 4
mile (mi) 1609.3444
mile (based on U.S. survey foot)(mi) 1 609.347
nautical mile 1 852
parsec(pc) 30 856 780 000 000 000
rod (based on U.S. survey foot)(rd) 5.029 210
yard (yd) 0.914 4