Fundamental Physical Constants

Name
Symbol
Value
Speed of light
c
Planck constant
h
Planck constant
h
Planck hbar
Planck hbar
Gravitation constant
G
Boltzmann constant
k
Boltzmann constant
k
Molar gas constant
R
Avogadro's number
NA
6.0221 x 1023 mol-1
Charge of electron
e
Permeability of vacuum
Permittivity of vacuum
Coulomb constant
Faraday constant
F
Mass of electron
Mass of electron
Mass of proton
Mass of proton
Mass of neutron
Mass of neutron
Atomic mass unit
u
Atomic mass unit
u
Avogadro's number
Stefan-Boltzmann constant
Rydberg constant
Bohr magneton
Bohr magneton
Flux quantum
2.0678338 x 10-15 T m2
Bohr radius
Standard atmosphere
atm
Wien displacement constant
b
Convenient combinations of constants
Index

Tables


NIST Tables
 
HyperPhysics***** Tables R Nave
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