Typical Values of Magnetic Fields

Natural examples

Example B in Tesla B in Gauss
Interstellar space 10-10 T 10-6 G
Geomagnetic field 5·10-4 T 0.5 G
Inside a sunspot 0.15 T 1500 G
Neutron star (regular) 108 T 1012 G
Neutron star (magnetar) 1011 T 1015 G

Lab and industrial examples

Example B in Tesla B in Gauss
Inside best magnetic shielding 10-14 T 10-10 G
Fridge magnet 0.01 T 100 G
Industrial electromagnet 1.5 T 15,000 G
Strongest superconducting magnet 32 T 320,000 G

Last Modified: October 27, 2018.
Vadim Kaplunovsky
vadim@physics.utexas.edu