(Continued

Physical quantity

Name of unit Conversion factor

SI CGS 1 SI unit/1 CGS unit

Pressure, stress Pa dyn/cm 2 10
Momentum kg•m/s g•cm/s^105
Moment of force N-m dyn•cm 107
Energy, work J erg 107
Power W erg/s^107
Energy flux density who erg/(s•cm 2 ) 103
Angular momentum kg•m 2 /s g•cm 2 /s 107
Moment of inertia kg•ma g•cm^2 107
Dynamic viscosity Pa•s P^10
Temperature K K^1
Heat capacity, entropy J/K erg/K^107
Electric charge C CGSE unit 3.10^9
Potential V CGSE unit 1/300
Electric field strength V/m CGSE unit 1/(3.10^4 )
Electric induction C.m^2 CGSE unit 12n•10^5
Electric dipole moment CAI CGSE unit 3.10^11
Electric polarization C/m^2 CGSE unit 3.10^5
Capacity F cm 9.10^11
Current A CGSE unit 3.10^9
Current density A/m 2 CGSE unit 3.10^5
Resistance^52 CGSE unit 1/(9.10^41 )
Resistivity 52•m CGSE unit 1/(9.10^9 )
Conductance S CGSE unit 9.1011
Magnetic induction. T G^104
Magnetic flux Wb Mx^109
Magnetic field strength A/m Oe 4a•10-3^
Magnetic moment A•m^2 CGSM unit^103
Magnetization A/m CGSM unit^10 -3^
Inductance H cm^109
Luminous intensity cd cd^1
Luminous flux
Illumination
Luminosity
Brightness

1m

lx

lm/m 2

cd/m^2

lm I

Note. The CGS electric and magnetic^ units^ are given here in the

Gaussian system.

Some Extrasystem Units

1 year =3.11.10^7 s

1 atm

f 101.3 kPa

1 760 mm Hg

1 bar =-100 kPa (precisely)

1 mm Hg = 133.3 Pa

1 l•atm =101.3 J

1 cal =4.18

IA

=10-8 cm

1b

(^10) -941 cm 2
1 eV =
f 1.6.10-19 J
1 1.6.10-12 erg

{
1.66.10-24 g
931.4 MeV
1 Ci (curie)=3.70•10 49 dis./S
1 a.m.u.