Units Currencies
Constants
Units Home
Unit Conversion
List Units
List Categories
Currencies
SI System
Base Units
Derived Units
Prefixes
Numbers
Constants
Base-N
Fractions
Time / Decimal
Resources
Bibliography
Autonomous Vehicle Engineering

The No. 1 media source for those developing the next generation mobility solutions.

Power Transmission

Gear drives, bearings, motors, clutches, couplings, machine controls, sensors and components.

3D Scanners

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

Chemical Engineering

The industry gateway for chemical engineering and plant operations.

more free magazines
 

Name Symbol Value
atomic mass constant mu 1.660539x10-27 kg
Bohr magneton mB 9.274009x10-24 J/T
Bohr radius a0 5.291772x10-11 m
electron Compton wavelength lc 2.426310x10-12 m
electron magnetic moment me 9.284764x10-24
electron radius (classical) re 2.817940x10-15 m
electron rest mass me 9.109382x10-31 kg
fine-structure constant a 7.297353x10-3
neutron magnetic moment mn 9.662364x10-27 J/T
neutron rest mass mn 1.674927x10-27 kg
nuclear magneton mN 5.050783x10-27 J/T
proton Compton wavelength lc,p 1.321410x10-15 m
proton magnetic moment mp 1.410607x10-26 J/T
proton rest mass mp 1.672622x10-27 kg
Rydberg constant 1.097373x107 /m
Glossary