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
Mechanical Engineers Outlook

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

Selecting the Right 3D Printer

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

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Essentials of Manufacturing

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

more free publications
 

Name Symbol Value
Bohr magneton mB 9.274009x10-24 J/T
conductance quantum G0 7.748092x10-5 S
electric permittivity constant e0 1/(m0·c2) = 8.85418781...x10-12 F/m
electron magnetic moment me 9.284764x10-24
elementary charge e 1.602176x10-19 C
Josephson constant KJ 4.835979x1014 Hz/V
magnetic flux quantum F0 2.067834x10-15 Wb
magnetic permeability constant m0 4p x10-7 = 1.2566370614...x10-6 H/m
neutron magnetic moment mn 9.662364x10-27 J/T
nuclear magneton mN 5.050783x10-27 J/T
proton magnetic moment mp 1.410607x10-26 J/T
Glossary
Mechanical Engineers Outlook

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

Selecting the Right 3D Printer

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

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Essentials of Manufacturing

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