Expert Length Converter

All standard & uncommon length units — responsive, fast, copyable results.

Expert Mode

Tip: click any result to copy. Values shown with SI prefixes and scientific notation where appropriate.

Results

1 m ≈ 100 cm
Unit Value In meters

Included units

Common, imperial, nautical, survey, astronomical, typography and atomic scales.

  • kilometer (km)
  • meter (m)
  • centimeter (cm)
  • millimeter (mm)
  • micrometer (µm)
  • nanometer (nm)
  • mile (mi)
  • yard (yd)
  • foot (ft)
  • inch (in)
  • nautical mile (nmi)
  • furlong
  • chain
  • rod
  • astronomical unit (AU)
  • light-year (ly)
  • parsec (pc)
  • angstrom (Å)
  • point (pt)
  • pica (pc)

How it works

  1. Enter any number and pick the source unit.
  2. Leave "To unit" blank to see all units, or pick one target to show a single result.
  3. Click a row to copy the value to clipboard.
Metric System (SI Units)
Nanometer (nm)
Micrometer (µm _ micron)
Millimeter (mm)
Centimeter (cm)
Decimeter (dm)
Meter (m)
Decameter (dam)
Hectometer (hm)
Kilometer (km)
Megameter (Mm)
Gigameter (Gm)
Terameter (Tm)
Petameter (Pm)
Astronomical Unit (AU)
Light-year (ly)
Parsec (pc)
Imperial / US Customary Units
Inch (in)
Foot (ft)
Yard (yd)
Mile (mi)
Furlong
Chain
Rod
Pole
Perch
League
Nautical Units
Nautical mile (nmi)
Fathom
Cable length
Surveying Units
Link
Gunter_s chain (Surveyor_s chain)
Survey foot
Survey mile
Astronomical Units (extended)
Astronomical Unit (AU)
Light minute
Light hour
Light day
Light year
Parsec (pc)
Kiloparsec (kpc)
Megaparsec (Mpc)
Ancient / Traditional Units
Indian
Angul
Hath
Cubit
Gaz
Kos
Yojana
Arabic / Islamic
Dhira (cubit)
Barid
Farsakh
Chinese
Cun (inch)
Chi (foot)
Zhang
Li
Roman / Greek (historic)
Digitus (finger)
Palm
Cubit
Roman foot (pes)
Stadion
Mille passus (Roman mile)
Other Regional / Traditional
Scandinavian: Aln
Japanese: Shaku
Japanese: Ken
Japanese: Ri
French (old): Toise
French (old): Ligne
French (old): Pied
Persian: Gaz
Persian: Parasang