Electrical Units
This list presents most of the units that you will encounter in electrical engineering applications and literature.If you know of others that should be added, please send me an e-mail.
Visit NIST for all constants, units, and uncertainties. This is their Extensive Listing of constants.
| Name (Symbol) | Base Unit | Unit Symbol |
| Angular Frequency | radians/second | ω |
| Admittance (Y) | siemens | S |
| Capacitance (C) | farad | F |
| Capacitive Reactance (XC) | ohm | Ω |
| Center Frequency (Fc) | hertz | Hz |
| Charge | coulomb | C |
Conductance (G) [ ] | siemen [mho] | S ( ) [1/Ω] |
| Conductivity (σ) | siemens/meter | S/m |
| Current (I) | ampere | A |
| Dipole Moment | coulomb·meter | p |
| Electric Charge | coulomb | Q |
| Electric Flux | coulomb | Ψ |
| Electric Flux Density | coulomb/meter2 | D |
| Electric Susceptibility | 1 | χe |
| Energy (E) | joule | J |
| Frequency | hertz | Hz |
| Impedance (Z) | ohm | Ω |
| Inductance (L) | henry | H |
| Inductive Reactance (XL) | ohm | Ω |
| Joule | watt·second | J |
| Linear Current Density | amperes/meter2 | A |
| Magnetic Field | tesla | T |
| Magnetic Flux | weber | Φ |
| Magnetic Flux Linkage | weber | Λ |
| Magnetic Flux Density | tesla | B |
| Magnetic Susceptibility | 1 | χμ |
| Magnetic Vector Potential | weber/meter | A |
| Magnetization | ampere/meter | M |
| Magnetomotive Force | weber | Wb |
| Mutual Inductance | henry | Li,j Mi,j |
| Permeability | henrys/meter | μ |
| Permittivity | farads/meter | ε |
| Phase Angle | radian | Φ |
| Phase Coefficient | radian | β |
| Potential (V) | volt | V |
| Power (P) | watt | W |
| Reluctance (R) | 1/henrys | 1/H |
| Reluctivity | meters/henry | ν |
| Resistance (R) | ohm | Ω |
| Resistivity (ρ) | ohm·meter | Ω*m |
| Resonant Frequency (Fr) | hertz | Hz |
| Surface Density of Charge | coulombs/meter2 | σ |
| Susceptance (B) | siemen | S |
| Volume Density of Charge | coulombs/meter3 | ρ |
| Volume Resistivity | ohms/meter3 | ρ |
| Wavelength | meter | λ |