Speed of light (c) =

299792458 m/s

(in a vacuum)

===

Gravitational constant (G) =

6.672 x 10^11 N m^2/kg^2

===

Avogadro's constant (N) =

6.0220 x 10^23/mole

===

Electron charge (e) =

1.60219 x 10^-19 C

===

Electron rest mass =

9.1095 x 10^-28 g

===

Electron radius =

2.81794 x 10^-15 m

===

Proton rest mass =

1.67265 x 10^-24 g

===

Neutron rest mass =

1.67495 x 10^-24 g

===

Faraday constant (F) =

96485 C/mole

===

Planck constant

h = 6.6262 x 10^-34 J s

h/2pi = 1.05459 x 10^-34 J s

===

fine structure constant

alpha = 0.00729735

1/alpha = 137.0360

===

Gas constant (R) =

8.314 1/(j mole)

===

Boltzmann constant (k) =

1.3807 x 10^-23 J/K

===

Standard volume

(for a perfect gas) =

22.414 x 10^-3 m^3

===