Acceleration due to gravity |
*g* = 9,8 m·s^{−2} |

Gravitational constant |
*G* = 6,67 × 10^{-11} N·m^{2}·kg^{−2} |

Speed of light in a vacuum |
*c* = 3,0 × 10^{8} m·s^{−1} |

Planck's constant |
*h* = 6,63 × 10^{-34} J·s |

Coulomb's constant |
*k* = 9,0 × 10^{9} N·m^{2}·C^{−2} |

Charge of an electron |
*e* = −1,6 × 10^{−19} C |

Electron mass |
*m*_{e} = 9,11 × 10^{−31} kg |

Standard pressure |
*p*^{θ} = 1 atm = 1,013 × 10^{5} Pa |

Standard temperature |
*T*^{θ} = 0 °C = 273 K |

Molar gas volume at STP |
*V*_{m} = 22,4 dm^{3}·mol^{-1} |

Universal gas constant |
*R* = 8,31 J·K^{−1}·mol^{−1} |

Avogadro's number |
*N*_{A} = 6,022 × 10^{23} mol^{-1} |