constants

atomic mass constant: 1.66053906660(50)×10−27 kg

Avogadro's number: 6.02214076×10+23 mol-1

Bohr magneton: 9.2740100783(28)×10−24 J/T

Bohr radius: 5.29177210903(80)×10−11 m

Boltzmann's constant: 1.380649×10−23 J⋅K−1

Characteristic impedance of vacuum: 376.730313668(57) Ω

Classical electron radius: 2.8179403262(13)×10−15 m

Conductance quantum: 7.748091729...×10−5 S

Electron g-factor: −2.00231930436256(35)

Electron mass: 9.1093837015(28)×10−31 kg

electron volt: 1.602176634×10−19 J

The elementary charge: 1.602176634×10−19 C

Faraday constant: 96485.33212... C/mol

Fermi coupling constant: 1.1663787(6)×10−5 GeV−2

Fine structure constant: 7.2973525693(11)×10−3

Newton's constant of gravitation: 6.67430(15)×10−11 m3⋅kg−1⋅s−2

Inverse fine structure constant: 137.035999084

Josephson constant: 483597.8484...×10+9 Hz/V

Magnetic flux quantum: 2.067833848...×10−15 Wb

Molar gas constant: 8.314462618... J/(mol⋅K)

Molar mass constant: 0.99999999965(30)×10−3 kg/mol

Neutron mass: 1.67492749804(95)×10−27 kg

Nuclear magneton: 5.0507837461(15)×10−27 J/T

Planck's constant: 6.62607015×10−34 J⋅s

Proton mass: 1.67262192369(51)×10−27 kg

Reduced Planck Constant: 1.054571817×10−34 J⋅s

Speed of light in a vacuum: 299792458 m/s

Stefan-Boltzmann constant: 5.670374419...×10−8 W⋅m−2⋅K−4

Vacuum electric permittivity: 8.8541878128(13)×10−12 F/m

Vacuum magnetic permeability: 1.25663706212(19)×10−6 N⋅A−2

Von Klitzing constant: 25812.80745... Ω

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