Name | Symbol | Value |
atomic mass constant | mu | 1.660539x10-27 kg |
Avogadro constant | NA | 6.022142x1023 /mol |
Bohr magneton | mB | 9.274009x10-24 J/T |
Bohr radius | a0 | 5.291772x10-11 m |
Boltzmann constant | k | 1.380650x10-23 J/K |
conductance quantum | G0 | 7.748092x10-5 S |
electric permittivity constant | e0 | 1/(m0·c2) = 8.85418781...x10-12 F/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 |
electron volt | eV | 1.602176x10-19 J |
elementary charge | e | 1.602176x10-19 C |
Euler's constant | g | 0.577215664901532... |
Faraday constant | F | 9.648524x104 C/mol |
fine-structure constant | a | 7.297353x10-3 |
first radiation constant | c1 | 3.741771x10-16 W/m2 |
golden ratio | f | 1.618033988749894... |
gravitational constant | G | 6.6732x10-11 N-m2/kg2 |
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 |
natural log base | e | 2.718281828459045... |
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 |
pi | p | 3.14159265358979323846264... |
Planck constant | h | 6.626069x10-34 J-s |
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 | |
second radiation constant | c2 | 1.438775x10-2 m-K |
speed of light in vacuum | c | 2.99792458x108 m/s |
standard volume of ideal gas | V0 | 2.24136x10-2 m3/mol |
Stefan-Boltzmann constant | s | 5.670400x10-8 W/m2-K4 |
universal gas constant | R | 8.314472 J/mol-K |
Wien displacement law constant | b | 2.897769x10-3 m-K |