Gaussian System of Units
Discussion
centimeter-gram-second
| quantity |
unit |
symbol |
| length |
centimeter |
cm |
| mass |
gram |
g |
| time |
second |
s |
Base units of the Gaussian system
| quantity |
name |
symbol |
in terms of … |
| other units |
base units |
| acceleration |
galileo |
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 |
| wave number |
kayser |
? |
|
cm−1 |
Derived units of the Gaussian system with special names
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.
| 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 |
|
|
|
Electrostatic units of the Gaussian system
| * |
a.k.a. electrostatic unit (esu) or franklin (Fr) |
Electromagnetic units
| 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 |
|
|
|
Electromagnetic units of the Gaussian system
people
| unit |
|
scientist |
|
quantity |
| franklin* |
Fr |
Benjamin Franklin |
(1706-1790) |
USA |
electric charge |
| galileo |
Gal |
Galileo Galilei |
(1564-1642) |
Italy |
acceleration |
| gauss |
G |
Carl Friedrich Gauss |
(1777-1855) |
Germany |
magnetic field (B) |
| gilbert |
Gb |
William Gilbert |
(1544-1603) |
England |
magnetomotive force |
| kayser |
K |
Heinrich Kayser |
(1853-1940) |
Germany |
wavenumber |
| maxwell |
Mw |
James Clerk Maxwell |
(1831-1879) |
Scotland |
magnetic flux |
| oersted |
Oe |
Hans Christian Ørsted** |
(1777-1851) |
Denmark |
magnetic field (H) |
| poise |
P |
Jean Louis Poiseuille |
(1799-1869) |
France |
dynamic viscosity |
| stokes |
St |
George Gabriel Stokes |
(1819-1903) |
Ireland |
kinematic viscosity |
Derived units of the Gaussian system named after scientists
| * |
a.k.a. electrostatic unit (esu) or statcoulomb |
** |
a.k.a. Oersted |