Constants
| Name | Symbol | Value |
| atomic mass unit | amu | 1.6605 x10-27 kg |
| Avogadro's Number | NA | 6.022 x 1023 mol-1 |
| Bohr magneton | µB | 9.274 x10-24 J T-1 |
| Boltzmann constant | k | 1.3807 x10-23 J K-1 |
| Conductance quantum | G0 | 7.7481 x10-5 S |
| earths gravity | g | 9.806 m s-2 |
| electron charge | e | 1.602 x 10-19 C |
| electron mass | me | 9.1094 x10-31 kg |
| electron volt | eV | 1.6022 x10-19 J |
| Faraday constant | F | 9.6485 x 104 C mol-1 |
| fine structure constant | α | 7.2974 x10-3 |
| gas constant | R | 8.314 J K-2 mol-1 |
| Gravitational constant | G | 6.67 x10-11 N m2 Kg-2 |
| Hartree energy | EH | 4.3597 x10-18 J |
| Josephson constant | KJ | 4.8360 x1014 Hz V-1 |
| light year | ly | 9.4605 x1015m |
| Loschmidt constant | no | 2.6868 x1025 m-3 |
| magnetic flux quantum | Φ | 2.0678 x10-15 W |
| natural logarithmic base | e1 | 2.7183 |
| neutron mass | mn | 1.6749 x10-27kg |
| nuclear magneton | µN | 5.0508 x 10-27.J T-1 |
| permeability of free space | µ0 | 4π x 10-7 H m-1 |
| permittivity of free space | εo | 8.854 x 10-12 F m-1 |
| pi | π | 3.141592654 |
| Planck constant | h | 6.626 x 10-34 J s |
| proton mass | mp | 1.6726 x10-27 kg |
| Rydberg constant | R∞ | 1.0974 x 107 m-1 |
| speed of light | c | 2.998 x 108 m s-1 |
| Stefan-Boltzmann constant | σ | 5.6704 x10-8 W m-2 K-4 |
| von Klitzing constant | RK | 2.5813 x104 Ω |
www.DigitalDan.co.uk