How many milliteslas are in one gauss?

One gauss equals 0.1 mT. The formula is mT = G × 0.1.

How do I convert gauss to milliteslas?

Multiply the value in gauss by 0.1. For example, 100 × 0.1 = 10 — so 100 G = 10 mT.

Pair · linear · factor 0.1

gauss to milliteslas

GmT

Active unit

gauss · ≈ 0.01 T (base)

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Ggauss100

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Frequently asked questions

A glowing emerald compass needle and magnetic field lines merging into a powerful MRI magnet ring, against a cosmic nebula in violet and magenta

Magnetic flux density

Why your fridge magnet is stronger than the Earth

A compass needle points north flawlessly, guiding sailors for centuries — yet the field that steers it is hundreds of times weaker than a cheap magnetic toy on a fridge door. This is a journey across the scale of magnetic flux density: from the quiver of a compass, through the mighty teslas of an MRI scanner, to cosmic magnetars.

12 min