The Physics
Opus in profectus

Gaussian System of Units

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Base units of the Gaussian system
quantity unit symbol
length centimeter cm
mass gram g
time second s
Derived units of the Gaussian system with special names
      in terms of…
quantity name symbol other units base units
accel­eration gal Gal dyn/g cm s−2
force dyne dyn cm g s−2
pressure, stress barye Ba dyn/cm2 cm−1g s−2
energy, work, heat erg erg dyn cm cm2g s−2
dynamic viscosity poise P Ba s cm−1g s−1
kinematic viscosity stokes St cm2s−1
luminance stilb sb
illuminance phot ph
wave number kayser cm−1

Electrostatic units

The statcoulomb is that charge which, if placed in two point objects placed one centimeter apart in vacuum, would produce between these objects a force equal one dyne.

Electrostatic units of the Gaussian system * a.k.a. electrostatic unit (esu) or franklin (Fr)
quantity name symbol in terms of…
other units base units
electric charge stat­coulomb* (cm3g s−2)½
electric field stat­volt/cm
electric potential stat­volt erg/stat­coulomb
electric current stat­ampere stat­coulomb/s
resist­ance stat­ohm stat­amp/stat­volt cm−1s
conduct­ance stat­mho 1/stat­ohm cm s−1
capacit­ance stat­farad     cm
magnetic field stat­tesla      
magnetic flux stat­weber      
induct­ance stat­henry      

Electromagnetic units

Electromagnetic units of the Gaussian system * a.k.a. biot (Bi)
quantity name symbol in terms of…
other units base units
magnetic field (B) gauss G
magnetic field (H) oersted Oe
magnetic flux maxwell Mw
magneto­motive force gilbert Gb
induct­ance ab­henry
electric charge ab­coulomb
electric current ab­ampere*
electric potential ab­volt
resist­ance ab­ohm
conduct­ance ab­mho
capacit­ance ab­farad


Derived units of the Gaussian system named after scientists * a.k.a. abampere,  a.k.a. electrostatic unit (esu) or statcoulomb,  a.k.a. Oersted
unit scientist quantity
biot* Bi Jean-Baptiste Biot electric current
franklin Fr Benjamin Franklin electric charge
gal Gal Galileo Galilei acceleration
gauss G Carl Friedrich Gauss magnetic field (B)
gilbert Gb William Gilbert magneto­motive force
kayser K Heinrich Kayser wavenumber
maxwell Mw James Clerk Maxwell magnetic flux
oersted Oe Hans Christian Ørsted magnetic field (H)
poise P Jean Poiseuille dynamic viscosity
stokes St George Stokes kinematic viscosity