Length Conversion

This is an online length conversion calculator to convert one unit of length to another unit of length. It converts following common length units: millimeter (mm), centimeter (cm), meter (m), kilometer (km), inch (in), feet/foot (ft), yard (yd) and mile. Along with the common length units, it also converts most of the SI length units and then many of the Imperial, English, US Customery, International and other length units.

Common Length Units

millimeter (mm): centimeter (cm): meter (m):
kilometer (km): inch (in): feet / foot (ft):
yard (yd): mile: nautical mile:

SI Length Units

yoctometer (ym): zeptometer (zm): attometer (am):
femtometer (fm): picometer (pm): nanometer (nm):
micrometer [micron] (µm): millimeter (mm): centimeter (cm):
decimeter (dm): meter (m): decameter (dam):
hectometer (hm): kilometer (km): megameter (Mm):
gigameter (Gm): terameter (Tm): petameter (Pm):
exameter (Em): zettameter (Zm): yottameter (Ym):

Imperial, Englis, US Customery, International and other Length Units

thou [mil/point]: inch (in): feet / foot (ft):
yard (yd): furlong (fur): mile (mi):
league: fathom (fath): cable:
cable(UK): cable(US): nautical mile (nmi):
nautical mile(UK)(nmi): link (li/lnk): rod [pole/perch] (rd):
chain (ch):

To use this Length Conversion, follow the steps mentioned bellow,

  • Enter the value for the length unit to be converted to another length unit.
  • Click the "Convert Length" button.
  • This will display the converted length unit values in the other length units.
  • The length unit which is under conversion will be marked with a different color.
  • The value of the length unit to be converted should be in proper numerical form.

Note: The calculated length conversion may not be exact. It may be approximate based on the input value of the length unit under conversion. Also the length unit conversions for same length unit may vary based on the country, customery and context of use.