| Constant | Value |
|---|
| Atomic mass unit | 1.6605402e-27 kg |
| Avogadro's number | 6.0221367e23 mole-1 |
| Coulomb constant | 8987551787.37 Nm2/C2 |
| e (natural log base) | 2.71828182846 |
| Elementary charge | 1.60217733e-19 C |
| Faraday's constant | 9.6485309e4 C/mol electrons |
| Gas constant | 8.31451 J/mol K |
| Gravitational constant | 6.67259e-11 Nm2/kg2 |
| Light speed in a vacuum | 299792458 m/s |
| Mass of an electron | 9.1093897e-31 kg |
| Mass of a neutron | 1.6749286e-27 kg |
| Mass of a proton | 1.6726231e-27 kg |
| Permeability of free space | 1.2566370614359e-6 N/A2 |
| Permittivity of free space | 8.85418781762e-12 F/m |
| Pi | 3.1415926534 |
| Planck's constant | 2.99792458e8 m/s |