Constant |
Value |

Atomic Mass Unit | 1.660540 x 10^{-27} kg |

Avogadro constant | 6.022137 x 10^{23} mol^{-1} |

Bohr magneton | 9.274015 x 10^{-24} JT^{-1} |

Bohr radius | 5.291771 x 10^{-11} m |

Boltzmann constant | 1.380662 x 10^{-23} JK^{-1} |

Compton wavelength (e) | 2.426311 x 10^{-12} m |

Compton wavelength (n) | 1.319591 x 10^{-15} m |

Compton wavelength (p) | 1.321410 x 10^{-15} m |

Electric field constant in vacuo | 8.854188 x 10^{-12} Fm^{-1} |

Electron radius | 2.817941 x 10^{-15} m |

Elementary charge | 1.602177 x 10^{-19} C |

Faraday constant | 9.648531 x 10^{4} Cmol^{-1} |

Fine structure constant | 7.297353 x 10^{-3} |

Gas constant | 8.31451 J mol^{-1}K^{-1} |

Gravitation constant | 6.672590 x 10^{-11} Nm^{2}kg^{-2} |

Intrinsic impedance | 3.767301 x 10^{2} Ω |

Light velocity in vacuo | 2.997924 x 10^{8} ms^{-1} |

Loschmidt constant | 2.686763 x 10^{25} m^{-3} |

Magnetic field constant in vacuo | 1.256637 x 10_{-7 Hm-1} |

Molar volume of ideal gases 298 K, 101.325 kPa | 2.445294 x 10^{-2} m^{3}mol^{-1} |

Molar volume of ideal gases 298 K, 101.325 kPa | 2.445294 x 10^{-2} m^{3}mol^{-1} |

Normal acceleration of fall | 9.80665 ms^{-2} |

Planck constant | 6.626075 x 10^{-34} Js |

Rest mass of the electron | 9.109390 x 10^{-31} kg |

Rest mass of the neutron | 1.674929 x 10^{-27} kg |

Rest mass of the proton | 1.672623 x 10^{-27} kg |

Rotational quantum | 1.054588 x 10^{-34} Js |

Rydberg constant | 1.097373 x 10^{7} m^{-} |

Speed of light | 2.998 x 10^{8} m/s |

Pi | 3.14159 |

e | 2.718 |

ln x | 2.3026 log x |

2.3026 R | 19.14 J/(mol.K) |

2.3026 RT (at 25°C) | 5.708 kJ/mol |