Question 1

What is the difference between gauss and tesla?

Accepted Answer

1 tesla = 10,000 gauss. Tesla is SI unit; gauss is CGS. MRI magnets: 1.5-7 T. Earth field: 0.25-0.65 gauss (25-65 μT). Refrigerator magnets: ~50 gauss (5 mT).

Question 2

Which unit should I use for magnetic field strength?

Accepted Answer

Tesla (T) for SI/scientific work. Gauss (G) in older literature, some industries. For weak fields: microtesla (μT) or nanotesla (nT). MRI specs always use tesla.

Question 3

What's a typical magnetic field strength?

Accepted Answer

Earth's field: 25-65 microtesla. Fridge magnet: 5 millitesla. MRI machine: 1.5-3 tesla. Strongest lab magnets: 45+ tesla.

Question 4

Why do we have both Tesla and Gauss?

Accepted Answer

Tesla is the SI unit; Gauss is the older CGS unit. 1 Tesla = 10,000 Gauss. Both remain in use across different fields and regions.

G to T Converter

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