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Physics > Magnetism Units and Equivalents

Electromagnetic radiation flux density

Unit Name Symbol SI Equivalent
jansky
  1x10-26 W/m2-Hz

Magnetic auxiliary field

Unit Name Symbol SI Equivalent
ampere per meter
A/m 1 A/m
kiloampere per meter
kA/m 1000 A/m
milliampere per meter
mA/m 1x10-3 A/m
oersted
oe 79.5775 A/m
praoersted
  1.14591x104 A/m

Magnetic dipole moment

Unit Name Symbol SI Equivalent
a.u. of magnetic dipole moment
a.u. 1.8548x10-23 J/T
ampere-square meter
A-m2 1 J/T
ampere-square millimeter
A-mm2 1x10-6 J/T
emu of magnetic dipole moment
aA-cm2 1x10-3 J/T

Magnetic field strength

Unit Name Symbol SI Equivalent
a.u. of magnetic field
a.u. 2.35052x105 T
gamma
g 1x10-9 T
gauss
G, Gs 1x10-4 T
newton per ampere per meter
N/A-m 1 T
tesla
T 1 T

Magnetic flux

Unit Name Symbol SI Equivalent
line
  1x10-8 Wb
maxwell
Mx 1x10-8 Wb
tesla square meter
T-m2 1 Wb
unit pole
  1.25664x10-7 Wb
weber
Wb 1 Wb

Magnetic permeability

Unit Name Symbol SI Equivalent
henry per meter
H/m 1 H/m
newton per square ampere
N/A2 1 H/m
volt second per ampere per meter
V-s/A-m 1 H/m

Magnetic potential vector

Unit Name Symbol SI Equivalent
weber per meter
Wb/m 1 Wb/m

Magnetomotive force

Unit Name Symbol SI Equivalent
ampere (mmf)
A 1 A
gilbert
Gb 0.79577 A
pragilbert
  1.14591x104 A