This article refers to the unit Gauss; for other meanings see Gauss (disambiguation).

The gauss, abbreviated as G, is the cgs unit of magnetic flux density or magnetic induction (B), named after the German mathematician and physicist Carl Friedrich Gauss. One gauss is defined as one maxwell per square centimetre.

For many years the term gauss was used to designate that unit of magnetic field intensity which is now known as the oersted. This change in terminology, established by the IEC in 1930 ^*, was introduced to distinguish between magnetic induction and magnetic intensity as physical magnitudes.

The SI unit of magnetic flux density is the tesla. One gauss is equal to 10⁻⁴ tesla.

1 T = 10 000 G

1 G = 0.1 mT

CGS units | Units of magnetic flux density

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