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light-second
Symbol:   
Category:  Length 
SI Equivalent:  2.99792×108 m
Dimension:  L 
 
Notes
The distance light travels in a vacuum in one second.
Convert     light-second  
1 light-second =
Length
  Symbol Unit Name
5.66526×1018  a.u., a0, b  a.u. of length 
2.99792×1018  Å  angstrom 
1.03061×1012  arcmin  arcmin 
2.00399×10-3  AU, UA  astronomical unit 
2.99792×1026  am  attometer 
3.54086×1010    barleycorn (UK) 
5.66526×1018  a0, b  bohr (first Bohr radius) 
8.19643×106    bolt (US cloth) 
1.41634×1011  line (UK)  button (UK) 
4.72114×1011  line (US)  button (US) 
1.61875×106    cable length (int.) 
1.61772×106    cable length (UK) 
1.36607×106    cable length (US) 
1.18029×1012  caliber, cin  caliber (centiinch) 
2.99792×1010  cm  centimeter 
9.83571×106  ch  chain (engineer's) 
1.49026×107  ch  chain (Gunter's) 
9.83571×106  ch  chain (Ramsden's) 
1.49026×107  ch  chain (surveyor's) 
6.55714×108    cubit (UK) 
2.99792×107  dam  decameter 
2.99792×109  dm  decimeter 
1.06387×1023  re  electron classical radius 
2.62286×108    ell 
7.1083×1010    ems (pica) 
2.99792×10-10  Em  exameter 
1.63929×108  fath  fathom 
2.99792×1023  fm  femtometer 
2.99792×1023  F, f  fermi 
5.66526×1018  a0, b, a.u.  first Bohr radius 
9.83571×108  ft  foot 
8.99377×1011  fr  French 
1.49026×106  fur  furlong (UK) 
1.49026×106  fur  furlong (US) 
0.299792  Gm  gigameter 
2.95071×109  hd  hand (UK) 
2.99792×106  hm  hectometer 
3.16888×10-17    hubble 
1.18029×1010  in  inch 
2.99792×105  km  kilometer 
9.71561×10-12  kpc  kiloparsec 
6.21074×104    league (Canadian) 
5.39583×104  leag. (int. naut.)  league (int. naut.) 
6.20941×104  leag. (stat.)  league (statute, land) 
5.39239×104  leag. (UK, naut.)  league (UK, naut.) 
5.39239×104  leag. (US, naut.)  league (US, naut.) 
1.15741×10-5    light-day 
2.77778×10-4    light-hour 
1.66667×10-2    light-minute 
3.16888×10-8  ly  light-year 
1.41634×1011  line (UK)  line (UK) 
4.72114×1011  line (US)  line (US) 
9.83571×108    link (engineer's) 
1.49026×109    link (Gunter's) 
9.83571×108    link (Ramsden's) 
1.49026×109    link (surveyor's) 
299.792  Mm  megameter 
2.99792×108  m  meter 
1.18029×1016  µin  microinch 
2.99792×1014  µm  micron 
1.18029×1013  mil, thou  mil (thou) 
4.03946×104  mile (geogr.)  mile (geographical) 
1.86282×105  mi (int.)  mile (international) 
1.61875×105  mi (naut., int.)  mile (nautical, international) 
1.61586×105  mi (naut., teleg.)  mile (nautical, telegraph) 
1.61772×105  mi (naut., UK, US)  mile (nautical, UK, US) 
1.86282×105  mi (stat.)  mile (statute, land) 
1.86282×105  mi (survey, US)  mile (survey, US) 
2.99792×1011  mm  millimeter 
2.99792×1017  mµ, nm  millimicron 
1.31143×109    nail (UK) 
2.99792×1017  nm  nanometer 
1.61875×105  mi (int. naut.)  nautical mile (international) 
1.61772×105  mi (UK, US, naut.)  nautical mile (UK, US) 
3.93428×108    pace (UK) 
3.93428×109    palm (UK) 
9.71561×10-9  pc  parsec 
5.96104×107  rd  perch (rod, pole) 
2.99792×10-7  Pm  petameter 
7.10827×1010    pica 
2.99792×1020  pm  picometer 
8.52992×1011    point (US printer's) 
5.96104×107  rd  pole (rod, perch) 
29.9792    quadrant 
5.96104×107  rd  rod (perch, pole) 
4.91785×107    rope (UK) 
1.31143×109    span 
2.99792×10-4  Tm  terameter 
1.18029×1013  thou, mil  thou (mil) 
2.9973×1021  UX, X  X-unit 
3.27857×108  yd  yard 
2.99792×1032  ym  yoctometer 
2.99792×10-16  Ym  yottameter 
2.99792×1029  zm  zeptometer 
2.99792×10-13  Zm  zettameter 
Glossary
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CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

more publications