This list of electrical constants represent the most common values used in engineering, physics, and chemistry.
If you know of others that should be added, please send me an e-mail.
* : Reduced Planck constant,  = h/2π
† : Atomic Units
Visit NIST for all constants, units, and uncertainties.
This is their Extensive Listing of constants.
| Name | Symbol | Value | | Boltzmann | k | 8.617 343 x 10-5 eV (molecule·K)
1.380 650 5 x 10-23 J/K | | Charge Density† | | 1.081 202 317 x 1012 C/m3 | | Conductance Quantum | G0 | 7.748 091 733 x 10-5 S | | Current† | | 6.623 617 82 x 10-3 Ω | | Electron Charge/Mass Ratio | e/me | 1.758 820 12 x 1011 C/kg | | Electric Dipole Moment† | | 8.478 353 09 x 10-30 C·m | | Electric Field† | | 5.142 206 42 x 1011 V/m | | Electric Field Gradient† | | 9.717 361 82 x 1021 V/m2 | | Electric Potential† | | 27.211 384 5 V | | Electric Quadrupole Moment† | | 4.486 551 24 x 10-40 C·m2 | | Electron Volt | eV | 1.602 176 53 x 10-19 J | | Elementary Charge | e | 1.602 176 53 x 10-19 C | | Impedance of Free Space | Z0 | 376.730 313 461 (120·π) Ω | | Josephson | KJ | 2.350 517 42 x 105 T | | Magnetic Flux Quantum | Φ0 | 2.067 833 72 x 10-15 Wb | | Magnetic Flux Density† | | 4.486 551 24 x 10-40 C·m2 | | Magnetizability† | | 7.891 036 60 x 10-29 J/T2 | | Magnetic Flux Dipole Moment† | | 1.854 801 90 x 10-23 J/T | | Permeability of Free Space | μ0 | 1.256 637 061 4 x 10-6 H/m (N/A2) | | Permittivity of Free Space | ε0 | 8.854 187 817 x 10-12 F/m | | Planck * | h | 4.135 667 43 x 10-15 eV·s
6.626 069 3 x 10-34 J·s | | von Klitzing | RK | 25 812.807 449 Ω |
Webmaster: Kirt Blattenberger, BSEE, UVM 1989 | 
