Orders of magnitude (magnetic field)


This page lists examples of magnetic induction B in teslas and gauss produced by various sources, grouped by orders of magnitude.
Note:
These examples attempt to make the measuring point clear, usually the surface of the item mentioned.
Factor SI prefixValue Value Item
10−18attoteslaSQUID magnetometers on Gravity Probe B gyroscopes measure fields at this level over several days of averaged measurements
10−15femtoteslaSQUID magnetometers on Gravity Probe B gyros measure fields at this level in about one second
10−12picotesla to to Human brain magnetic field
10−11In September 2006, NASA found "potholes" in the magnetic field in the heliosheath around our solar system that are 10 picoteslas as reported by Voyager 1
10−9nanotesla to to Magnetic field strength in the heliosphere
10−7 to to Magnetic field produced by a toaster, in use, at a distance of
10−7 to to Magnetic field produced by residential electric distribution lines at a distance of
10−6microtesla to to Magnetic field produced by high power transmission lines at a distance of
10−6microtesla to to Magnetic field produced by a microwave oven, in use, at a distance of
10−5 Strength of magnetic tape near tape head
10−5 Strength of Earth's magnetic field at 0° latitude
10−5 Strength of Earth's magnetic field at 50° latitude
10−4The suggested exposure limit for cardiac pacemakers by American Conference of Governmental Industrial Hygienists
10−3milliteslaThe strength of a typical refrigerator magnet
10−2centitesla
10−1deciteslaThe magnetic field strength of a sunspot
100tesla to to Coil gap of a typical loudspeaker magnet.
100tesla to to Inside the core of a modern power transformer
100teslaStrength of a modern neodymium–iron–boron rare earth magnet. A coin-sized neodymium magnet can lift more than 9 kg, erase credit cards.
100tesla to to Strength of medical magnetic resonance imaging systems in practice, experimentally up to 11.7 T
100teslaModern high resolution research magnetic resonance imaging system; field strength of a 400 MHz NMR spectrometer
101decateslaField strength of a 500 MHz NMR spectrometer
101decateslaStrength used to levitate a frog
101decateslaField strength of a 1 GHz NMR spectrometer
101decateslaStrongest continuous magnetic field produced by non-superconductive resistive magnet.
101decateslaStrongest continuous magnetic field yet produced in a laboratory.
103kiloteslaRecord for indoor pulsed magnetic field,
103kiloteslaRecord for human produced, pulsed magnetic field,
104Magnetic field felt by valence electrons in a Xenon atom due to the spin–orbit effect.
106megatesla to to Strength of a non-magnetar neutron star.
108 – 1011gigatesla to to Strength of a magnetar.
1014terateslaStrength of magnetic fields inside heavy ion collisions at RHIC.