Tesla to Gauss Converter — Magnetic Field

Convert magnetic flux density between tesla, millitesla, microtesla, gauss, and gamma.

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How this conversion works. Flux density is converted through the tesla; the gauss and gamma are exact CGS relations per NIST Special Publication 811.

How to use

  1. Pick the unit you are converting from, such as Tesla (T) or Millitesla (mT).
  2. Type the value and every other unit updates as you type.
  3. Copy the figure you need, or use the swap button to reverse the direction, Gamma (γ) included.

Frequently asked questions

How do I convert tesla to gauss?

1 tesla = 10000 gauss. Choose "Tesla (T)" as From and "Gauss (G)" as To, type a value, and the result updates instantly.

How many gauss is 1 tesla?

Exactly 10,000 G. A 3 T MRI scanner is 30,000 G; a fridge magnet is ~50 G (5 mT); Earth’s field is ~0.5 G (50 µT).

Is this the same as magnetic field strength (H)?

No. This converts flux density B (tesla, gauss). Field strength H uses A/m and oersted — see the Magnetic Field Strength Converter for that quantity.

Is my data sent to a server?

No. Conversions run entirely in your browser using fixed factors — nothing is uploaded or logged.

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