Category
Atomic & nuclear
: fine-structure constant
R : Rydberg constant
a
0
m
e
e
m : muon mass
m : tau mass
m
p
p
m
n
n
Physico-chemical
N
A
m
u
F : Faraday constant
R : molar gas constant
k : Boltzmann constant
V
m
(273.15 K, 101.325 kPa)
: Stefan-Boltzmann constant
Adopted values
K
J–90
R
K–90
g
n
4-2
Fundamental Physical Constants
Quantity
: Bohr radius
: electron mass
: electron magnetic moment
: muon magnetic moment
: proton mass
: proton magnetic moment
: neutron mass
: neutron magnetic moment
: Avogadro constant
: atomic mass constant
: molar volume of ideal gas
: conventional value of Josephson
constant
: conventional value of von Klitzing
constant
: standard acceleration of gravity
20051201
Value
7.29735256E–3
10973731.57
5.2917721E–11
9.1093826E–31
–9.284764E–24
1.8835314E–28
–4.490447E–26
3.16777E–27
1.6726217E–27
1.4106067E–26
1.6749272E–27
–9.662364E–27
6.0221415E23
1.6605388E–27
96485.3383
8.314472
1.3806505E–23
0.022413996
5.6704E–8
483597.9
25812.807
9.80665