1 Ampere (A or amp)
= 6 241 509 479 607 717 888 electrons charge units (e)  per second
= 1 coulomb per second
= 1 volt per ohm
= 1 watt per volt
1 Coulomb (C)
= The electric charge accumulated one by 1 ampere in 1 second
≈ 6.241 506 x 10¹⁸ e
1 Electronvolt (eV) (A unit of work or energy – physics)
= 160.217 646 2 x 10^-21 joule (J)
= 1.602 176 462 x 10^-12 erg
1 Farad (F) (A unit of electric charge capacitance - coulomb per volt)
1 Capacitance
= 10^-12 farad (or trillionths of a farad)
1 Faraday (Fd) (Faraday's constant charge)
≈ 96.4853 kilocoulombs (kC)
= 26.8015 ampere hours (Ah)
= Avogadro's number x 1 e charge on a single electron (see mole)
1 Henry (H) (unit of electric inductance measured in millihenrys (mH) or microhenrys (µH)
1 Hertz (Hz) (unit of frequency - 1 cycles per second, measured in kilohertz (kHz),megahertz (MHz), gigahertz (GHz) and terahertz (THz).
1 Ohm (Ω) (unit of electric resistance, reactance and impedance - volt per ampere)
1 Siemens (S) (Ohm–1) (unit of electric conductance, susceptance, and admittance) the inverses of resistance, reactance, and impedance, respectively
1 Tesla (T) (unit of flux density, or field intensity, for magnetic fields - magnetic induction)
= 1 newton per ampere per meter
= 1 weber per square meter
= 10’000 gauss
1 Volt (V) (unit of electric potential)
= 1 joule per coulomb
1 Volt Ampere (V.A.) (unit of electrical load - power engineering)
1 Watt (W) (unit of power)
= 1 joule per second
= 1 ampere 1 volt
≈ 0.001 341 02 horsepower (hp)
≈ 0.737 562 foot-pound per second (lbf/s)
1 Weber (Wb) (unit of magnetic flux - per unit of time)
= 1 ampere per second
= 10⁸ maxwells