Units Currencies
Constants
Units Home
Unit Conversion
List Units
List Categories
Currencies
Convert Units
SI System
Base Units
Derived Units
Prefixes
Numbers
Constants
Base-N
Fractions
Time / Decimal
Resources
Bibliography
STEM Career Outlook

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

Mechanical Engineers Outlook

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

3D Scanners

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

CNC Machining Design Guide

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

more free publications

Materials

Design

Processes

Units

Formulas

Math
 
thou (mil)
Symbol:  thou, mil 
Category:  Length 
SI Equivalent:  2.54×10-5 m
Dimension:  L 
System:  UK, US 
 
Notes
1 thou = 10-3 inch
Convert     thou, mil  
1 thou, mil =
Length
  Symbol Unit Name
4.7999×105  a.u., a0, b  a.u. of length 
2.54×105  Å  angstrom 
8.73188×10-2  arcmin  arcmin 
1.69789×10-16  AU, UA  astronomical unit 
2.54×1013  am  attometer 
3×10-3    barleycorn (UK) 
4.7999×105  a0, b  bohr (first Bohr radius) 
6.94444×10-7    bolt (US cloth) 
1.2×10-2  line (UK)  button (UK) 
4×10-2  line (US)  button (US) 
1.37149×10-7    cable length (int.) 
1.37061×10-7    cable length (UK) 
1.15741×10-7    cable length (US) 
10×10-2  caliber, cin  caliber (centiinch) 
2.54×10-3  cm  centimeter 
8.33333×10-7  ch  chain (engineer's) 
1.26263×10-6  ch  chain (Gunter's) 
8.33333×10-7  ch  chain (Ramsden's) 
1.26263×10-6  ch  chain (surveyor's) 
5.55556×10-5    cubit (UK) 
2.54×10-6  dam  decameter 
2.54×10-4  dm  decimeter 
9.01367×109  re  electron classical radius 
2.22222×10-5    ell 
6.02253×10-3    ems (pica) 
2.54×10-23  Em  exameter 
1.38889×10-5  fath  fathom 
2.54×1010  fm  femtometer 
2.54×1010  F, f  fermi 
4.7999×105  a0, b, a.u.  first Bohr radius 
8.33333×10-5  ft  foot 
7.62×10-2  fr  French 
1.26263×10-7  fur  furlong (UK) 
1.26263×10-7  fur  furlong (US) 
2.54×10-14  Gm  gigameter 
2.5×10-4  hd  hand (UK) 
2.54×10-7  hm  hectometer 
2.68484×10-30    hubble 
1×10-3  in  inch 
2.54×10-8  km  kilometer 
8.23158×10-25  kpc  kiloparsec 
5.26207×10-9    league (Canadian) 
4.57163×10-9  leag. (int. naut.)  league (int. naut.) 
5.26094×10-9  leag. (stat.)  league (statute, land) 
4.56871×10-9  leag. (UK, naut.)  league (UK, naut.) 
4.56871×10-9  leag. (US, naut.)  league (US, naut.) 
9.80617×10-19    light-day 
2.35348×10-17    light-hour 
1.41209×10-15    light-minute 
8.47253×10-14    light-second 
2.68484×10-21  ly  light-year 
1.2×10-2  line (UK)  line (UK) 
4×10-2  line (US)  line (US) 
8.33333×10-5    link (engineer's) 
1.26263×10-4    link (Gunter's) 
8.33333×10-5    link (Ramsden's) 
1.26263×10-4    link (surveyor's) 
2.54×10-11  Mm  megameter 
2.54×10-5  m  meter 
1000  µin  microinch 
25.4  µm  micron 
1  mil, thou  mil (thou) 
3.42245×10-9  mile (geogr.)  mile (geographical) 
1.57828×10-8  mi (int.)  mile (international) 
1.37149×10-8  mi (naut., int.)  mile (nautical, international) 
1.36904×10-8  mi (naut., teleg.)  mile (nautical, telegraph) 
1.37061×10-8  mi (naut., UK, US)  mile (nautical, UK, US) 
1.57828×10-8  mi (stat.)  mile (statute, land) 
1.57828×10-8  mi (survey, US)  mile (survey, US) 
2.54×10-2  mm  millimeter 
2.54×104  mµ, nm  millimicron 
1.11111×10-4    nail (UK) 
2.54×104  nm  nanometer 
1.37149×10-8  mi (int. naut.)  nautical mile (international) 
1.37061×10-8  mi (UK, US, naut.)  nautical mile (UK, US) 
3.33333×10-5    pace (UK) 
3.33333×10-4    palm (UK) 
8.23158×10-22  pc  parsec 
5.05051×10-6  rd  perch (rod, pole) 
2.54×10-20  Pm  petameter 
6.0225×10-3    pica 
2.54×107  pm  picometer 
7.227×10-2    point (US printer's) 
5.05051×10-6  rd  pole (rod, perch) 
2.54×10-12    quadrant 
5.05051×10-6  rd  rod (perch, pole) 
4.16667×10-6    rope (UK) 
1.11111×10-4    span 
2.54×10-17  Tm  terameter 
2.53947×108  UX, X  X-unit 
2.77778×10-5  yd  yard 
2.54×1019  ym  yoctometer 
2.54×10-29  Ym  yottameter 
2.54×1016  zm  zeptometer 
2.54×10-26  Zm  zettameter 
Glossary
FREE Publications
STEM Career Outlook

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

Mechanical Engineers Outlook

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

3D Scanners

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

CNC Machining Design Guide

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

more publications