How many gauss are in one tesla?

One tesla equals 10,000 G. The formula is G = T × 10,000.

How do I convert teslas to gauss?

Multiply the value in teslas by 10,000. For example, 100 × 10,000 = 1,000,000 — so 100 T = 1,000,000 G.

Pair · linear · factor 10,000

teslas to gauss

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teslas · ≈ 100 T (base)

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Ttesla100

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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