(Continued
Physical quantity
Name of unit
Conversion factor
1 SI unit/1 CGS unit
SI
CGS
Pressure, stress
Pa
dyn/cm2
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•cm2)
103
Angular momentum
kg•m2/s
g•cm2 /s
107
Moment of inertia
kg•ma
g•cm2
107
Dynamic viscosity
Pa•s
P
10
Temperature
K
K
1
Heat capacity, entropy
J/K
erg/K
107
Electric charge
C
CGSE unit
3.109
Potential
V
CGSE unit
1/300
Electric field strength
V/m
CGSE unit
1/(3.104 )
Electric induction
C.m2
CGSE unit
12n•105
Electric dipole moment
CAI
CGSE unit
3.1011
Electric polarization
C/m2
CGSE unit
3.105
Capacity
F
cm
9.1011
Current
A
CGSE unit
3.109
Current density
A/m2
CGSE unit
3.105
Resistance
52
CGSE unit
1/(9.1041)
Resistivity
52•m
CGSE unit
1/(9.109)
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•m2
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/m2
cd/m2
lm
I
Note. The CGS electric and magnetic units are given here in the
Gaussian system.
Some Extrasystem Units
1 year
=3.11.107 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 cm2
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•1049 dis./S
1 a.m.u.