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Quantity Catalog - Length, Wavelength
Home Refresh UoMs for Quantitites > Base Quantity UoMs > Length, Wavelength

Length is a physical quantity that represents the measurement of distance between two points. Wavelength, specifically, refers to the distance between two consecutive points on a wave where the wave pattern repeats itself.

Common units of length include meters (m), centimeters (cm), and kilometers (km). In terms of wavelength, examples of related units include nanometers (nm) for electromagnetic waves and meters (m) for sound waves.

  • Wavelength is crucial in understanding properties of waves in various fields such as physics, chemistry, and engineering.
  • Length is a fundamental quantity used in everyday measurements, construction, and various scientific calculations.
  bohr radius  a0

1 a0 = 5.2917721047221944e-11 m;

  angstrom  angs

1 Angs = 1e-10 m;

  angstrom  angstrom

1 angstrom = 1e-10 m;

  attometer  attom

1 attom = 1e-18 m;

  astronomical unit  au

1 au = 149597900000 m;

  centimeter  centim

1 centim = 0.01 m;

  chain  ch

1 ch = 20.1168 m;

  chain  chain

1 chain = 20.1168 m;

  hundred feet  che

1 che = 30.48 m;

  chain  chg

1 chg = 20.1168 m;

  centimeter  cm

1 cm = 0.01 m;

  decameter  decam

1 decam = 10.0 m;

  decimeter  decim

1 decim = 0.1 m;

  earth radius  em

1 em = 6378000.0 m;

  exameter  exam

1 exam = 1e+18 m;

  fathom  fath

1 fath = 1.828804 m;

  femtometer  femtom

1 femtom = 1e-15 m;

  femtometer  fermi

1 fermi = 1e-15 m;

  foot  ft

1 ft = 0.3048 m (us_ft);

  furlong  fur

1 fur = 201.168 m;

  gigameter  gigam

1 gigam = 1000000000.0 m;

  hat  hat

1 hat = 0.4572 m;

  hectometer  hectom

1 hectom = 100.0 m;

  inch  inch

1 inch = 0.025400000000000002 m;

  kilometer  kilom

1 kilom = 1000.0 m;

  kilometer  km

1 km = 1000 m;

  kiloparsec  kpc

1 kpc = 30856780000000000000 m;

  light hour  lhr

1 lhr = 1079252848800.0 m;

  NA  lie

1 lie = 0.3048 m;

  NA  lig

1 lig = 0.201168 m;

  link  link

1 link = 0.201168 m;

  light minute  lmin

1 lmin = 17987547480.0 m;

  planck length  lplanck

1 lplanck = 1.6162552060444296e-35 m (approx. 1.61625518e-35*m);

  light second  lsec

1 lsec = 299792458.0 m;

  light year  lyr

1 lyr = 9460730472580800.0 m;

  meter  m

1 m = 1.0 m (Base Unit);

  megameter  megam

1 megam = 1000000.0 m;

  british mile  mi

1 mi = 1609.344 m;

  microinch  microinch

1 microinch = 2.54e-08 m;

  micrometer  microm

1 microm = 1e-06 m;

  micrometer  micron

1 micron = 1e-06 m;

  NA  mil

1 mil = 2.54e-05 m;

  british mile  mile

1 mile = 1609.344 m;

  millimeter  millim

1 millim = 0.001 m;

  millimeter  mm

1 mm = 0.001 m;

  nanometer  nam

1 nam = 1e-09 m;

  nanometer  nanom

1 nanom = 1e-09 m;

  nautical mile  nmi

1 nmi = 1852.0 m;

  parsec  pc

1 pc = 30856780000000000 m;

  petameter  petam

1 petam = 1000000000000000.0 m;

  NA  pica

1 pica = 0.00423333333333333 m;

  NA  picaprn

1 picaprn = 0.004217518 m;

  picometer  picom

1 picom = 1e-12 m;

  point of meter  pt

1 pt = 0.0003527778 m;

  ptprn  ptprn

1 ptprn = 0.0003514598 m;

  quectometer  quectom

1 quectom = 1e-30 m;

  quettameter  quettam

1 quettam = 1e+30 m;

  NA  rod

1 rod = 5.02921 m;

  roanatometer  ronaatom

1 ronaatom = 1e+27 m;

  rontometer  rontom

1 rontom = 1e-27 m;

  NA  sm

1 sm = 696000000 m;

  NA  sut

1 sut = 0.003175 m;

  terameter  teram

1 teram = 1000000000000.0 m;

  NA  us_mi

1 us_mi = 1609.347 m;

  NA  xu

1 xu = 1.002e-13 m;

  yard  yd

1 yd = 0.9144000000000001 m;

  yoctometer  yoctom

1 yoctom = 1e-24 m;

  yottameter  yottam

1 yottam = 1e+24 m;

  zeptometer  zeptom

1 zeptom = 1e-21 m;

  zettameter  zettam

1 zettam = 1e+21 m;

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