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CNC Machining Design Guide

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

3D Scanners

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

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light-hour
Symbol:   
Category:  Length 
SI Equivalent:  1.07925×1012 m
Dimension
 
Notes
The distance light travels in a vacuum in one hour (3600 seconds).
Convert     light-hour  
1 light-hour =
Length
  Symbol Unit Name
2.03949×1022  a.u., a0, b  a.u. of length 
1.07925×1022  Å  angstrom 
3.7102×1015  arcmin  arcmin 
7.21436  AU, UA  astronomical unit 
1.07925×1030  am  attometer 
1.27471×1014    barleycorn (UK) 
2.03949×1022  a0, b  bohr (first Bohr radius) 
2.95071×1010    bolt (US cloth) 
5.09883×1014  line (UK)  button (UK) 
1.69961×1015  line (US)  button (US) 
5.8275×109    cable length (int.) 
5.82378×109    cable length (UK) 
4.91786×109    cable length (US) 
4.24903×1015  caliber, cin  caliber (centiinch) 
1.07925×1014  cm  centimeter 
3.54086×1010  ch  chain (engineer's) 
5.36493×1010  ch  chain (Gunter's) 
3.54086×1010  ch  chain (Ramsden's) 
5.36493×1010  ch  chain (surveyor's) 
2.36057×1012    cubit (UK) 
1.07925×1011  dam  decameter 
1.07925×1013  dm  decimeter 
3.82993×1026  re  electron classical radius 
9.44228×1011    ell 
2.55899×1014    ems (pica) 
1.07925×10-6  Em  exameter 
5.90143×1011  fath  fathom 
1.07925×1027  fm  femtometer 
1.07925×1027  F, f  fermi 
2.03949×1022  a0, b, a.u.  first Bohr radius 
3.54086×1012  ft  foot 
3.23776×1015  fr  French 
5.36493×109  fur  furlong (UK) 
5.36493×109  fur  furlong (US) 
1079.25  Gm  gigameter 
1.06226×1013  hd  hand (UK) 
1.07925×1010  hm  hectometer 
1.1408×10-13    hubble 
4.24903×1013  in  inch 
1.07925×109  km  kilometer 
3.49762×10-8  kpc  kiloparsec 
2.23587×108    league (Canadian) 
1.9425×108  leag. (int. naut.)  league (int. naut.) 
2.23539×108  leag. (stat.)  league (statute, land) 
1.94126×108  leag. (UK, naut.)  league (UK, naut.) 
1.94126×108  leag. (US, naut.)  league (US, naut.) 
4.16667×10-2    light-day 
60    light-minute 
3600    light-second 
1.1408×10-4  ly  light-year 
5.09883×1014  line (UK)  line (UK) 
1.69961×1015  line (US)  line (US) 
3.54086×1012    link (engineer's) 
5.36493×1012    link (Gunter's) 
3.54086×1012    link (Ramsden's) 
5.36493×1012    link (surveyor's) 
1.07925×106  Mm  megameter 
1.07925×1012  m  meter 
4.24903×1019  µin  microinch 
1.07925×1018  µm  micron 
4.24903×1016  mil, thou  mil (thou) 
1.45421×108  mile (geogr.)  mile (geographical) 
6.70615×108  mi (int.)  mile (international) 
5.8275×108  mi (naut., int.)  mile (nautical, international) 
5.81708×108  mi (naut., teleg.)  mile (nautical, telegraph) 
5.82378×108  mi (naut., UK, US)  mile (nautical, UK, US) 
6.70617×108  mi (stat.)  mile (statute, land) 
6.70615×108  mi (survey, US)  mile (survey, US) 
1.07925×1015  mm  millimeter 
1.07925×1021  mµ, nm  millimicron 
4.72114×1012    nail (UK) 
1.07925×1021  nm  nanometer 
5.8275×108  mi (int. naut.)  nautical mile (international) 
5.82378×108  mi (UK, US, naut.)  nautical mile (UK, US) 
1.41634×1012    pace (UK) 
1.41634×1013    palm (UK) 
3.49762×10-5  pc  parsec 
2.14597×1011  rd  perch (rod, pole) 
1.07925×10-3  Pm  petameter 
2.55898×1014    pica 
1.07925×1024  pm  picometer 
3.07077×1015    point (US printer's) 
2.14597×1011  rd  pole (rod, perch) 
1.07925×105    quadrant 
2.14597×1011  rd  rod (perch, pole) 
1.77043×1011    rope (UK) 
4.72114×1012    span 
1.07925  Tm  terameter 
4.24903×1016  thou, mil  thou (mil) 
1.07903×1025  UX, X  X-unit 
1.18029×1012  yd  yard 
1.07925×1036  ym  yoctometer 
1.07925×10-12  Ym  yottameter 
1.07925×1033  zm  zeptometer 
1.07925×10-9  Zm  zettameter 
Glossary
CNC Machining Design Guide

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

3D Scanners

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

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.