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Physics > Capacitance, Charge, Charge Density and Conductance Units and Equivalents

Electric Capacitance

Unit Name

 Symbol

 SI Equivalent
abfarad (emu of electric capacitance)
aF 1x109 F
ampere second per volt
A-s/V 1 F
coulomb per volt
C/V 1 F
farad
F 1 F
jar
  1.11111x10-9 F
statfarad
statF 1.11265x10-12 F

Electric Charge
Unit Name

 Symbol

 SI Equivalent
a.u. of charge
a.u., e 1.60218x10-19 C
abcoulomb (emu of charge)
aC 10 C
ampere-hour
Ah 3600 C
coulomb
C 1 C
electronic charge
  1.6022x10-19 C
electrostatic ft-lbf-sec
  1.1952x10-6 C
electrostatic unit
esu 3.336x10-6 C
franklin
Fr 3.33564x10-10 C
statcoulomb
statC 3.35564x10-10 C

Electric Charge Density
Unit Name

 Symbol

 SI Equivalent
a.u. of charge density
a.u. 1.0812x10 12 C/m3
coulomb per cubic foot
C/ft3 35.3147 C/m3
coulomb per cubic inch
C/in3 6.10237x104 C/m3
coulomb per cubic meter
C/m3 1 C/m3
coulomb per cubic micron
C/µm3 1x10 18 C/m3
coulomb per cubic millimeter
C/mm3 1x10 9 C/m3


Electric Charge Surface Density
Unit Name

 Symbol

 SI Equivalent
abcoulomb per square centimeter
abcoulomb/cm2 1x105 C/m2
coulomb per square centimeter
C/cm2 1x104 C/m2
coulomb per square inch
C/in2 1550 C/m2
coulomb per square meter
C/m2 1 C/m2

Electric Conductance

Unit Name

 Symbol

 SI Equivalent
abmho (emu of conductance)
aS, (a Ω)-1 1x109 S
gemmho
  1x10-6 S
mho
mho 1 S
siemens
S 1 S
statmho
statmho 1.11265x10-12 S