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first Bohr radius
Symbol:  a0, b, a.u. 
Category:  Length 
SI Equivalent:  5.29177×10-11 m
Dimension
System:  a.u. 
 
Notes
Physical fundamental constant named after Niels Bohr (1885-1962). This is a base unit of a.u. system.
Convert     a0, b, a.u.  
95 conversions, showing those commonly used | Show all
1 a0, b, a.u. =
Length
  Symbol Unit Name
0.529177  Å  angstrom 
3.53733×10-22  AU, UA  astronomical unit 
5.29177×107  am  attometer 
5.29177×10-9  cm  centimeter 
1.73615×10-10  ft  foot 
5.29177×10-13  hm  hectometer 
2.08338×10-9  in  inch 
5.29177×10-14  km  kilometer 
5.59353×10-27  ly  light-year 
5.29177×10-11  m  meter 
2.08338×10-3  µin  microinch 
5.29177×10-5  µm  micron 
2.08337×10-6  mil, thou  mil (thou) 
3.28816×10-14  mi (stat.)  mile (statute, land) 
5.29177×10-8  mm  millimeter 
5.29177×10-2  nm  nanometer 
2.85733×10-14  mi (int. naut.)  nautical mile (international) 
1.71495×10-27  pc  parsec 
52.9177  pm  picometer 
5.78715×10-11  yd  yard 
more...
Glossary
Selecting the Right 3D Printer

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

Essentials of Manufacturing

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

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.