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
Hydraulics & Pneumatics

For design and manufacturing engineers involved in buying or specifying fluid power components and systems.

Reinforced Plastics

Informed and impartial coverage on the global composites industry.

Chemical Engineering

The industry gateway for chemical engineering and plant operations.

Machine Design

How-to, in-depth technical articles for machine design engineers

more free magazines
 
millimeter
Symbol:  mm 
Category:  Length 
SI Equivalent:  1×10-3 m
Dimension
System:  SI 
Convert     mm  
95 conversions, showing those commonly used | Show all
5.21 mm =
Length
  Symbol Unit Name
5.21×107  Å  angstrom 
3.48267×10-14  AU, UA  astronomical unit 
5.21×1015  am  attometer 
0.521  cm  centimeter 
1.70932×10-2  ft  foot 
5.21×10-5  hm  hectometer 
0.205118  in  inch 
5.21×10-6  km  kilometer 
5.50709×10-19  ly  light-year 
5.21×10-3  m  meter 
2.05118×105  µin  microinch 
5210  µm  micron 
205.118  mil, thou  mil (thou) 
3.23734×10-6  mi (stat.)  mile (statute, land) 
5.21×106  nm  nanometer 
2.81318×10-6  mi (int. naut.)  nautical mile (international) 
1.68845×10-19  pc  parsec 
5.21×109  pm  picometer 
5.69773×10-3  yd  yard 
more...
Glossary