Physical constant

Wien wavelength displacement law constant Einstein's constant nuclear magneton coupling constant pound-force Planck constant Angstrom star standard acceleration of free fall electron magnetic dipole moment Rydberg energy conductance quantum Gaussian gravitational constant magnetic constant standard atmosphere molar gas constant gravitational constant Faraday constant Planck time Planck length elementary charge speed of light reduced Planck constant classical electron radius magnetic flux quantum impedance of free space Planck acceleration dimensionless physical constant von Klitzing constant neutron magnetic dipole moment speed of gravity solar constant electron mass unified atomic mass constant light-year cosmological constant Planck mass fine-structure constant vacuum permittivity Bohr radius Rydberg constant pion decay constant Planck temperature Bohr magneton electronvolt Planck energy Josephson constant Coulomb's constant