Is Magnetic Field Converter free to use?

Yes, Magnetic Field Converter is completely free. No subscription, no credit card, and no account required — ever.

Do I need to create an account to use Magnetic Field Converter?

No account is needed. Magnetic Field Converter works instantly in your browser — just open the page and start using it.

Is Magnetic Field Converter safe? Does it store my data?

Magnetic Field Converter processes your data locally in your browser. Nothing is sent to or stored on our servers.

How do I use Magnetic Field Converter?

Open the tool, enter or paste your input, and your result appears instantly. Use the copy button to save it. The whole process takes under a minute.

Magnetic field Converter

Convert magnetic field units like tesla, gauss.

Convert Units

From:

To:

Result:

Convert magnetic field measurements between tesla, gauss, and more.

What is Magnetic Field Strength Converter?

Magnetic flux density (B-field) measures the strength of a magnetic field at a given point. It determines the force on moving charges and current-carrying conductors. Strong magnetic fields are central to MRI scanners, electric motors, generators, and particle accelerators.

Understanding the Units

Tesla (T)

The SI derived unit of magnetic flux density. Named after Nikola Tesla.

Common Uses: MRI machines, scientific electromagnets, electric motors

Gauss (G)

The CGS unit of magnetic flux density. 1 gauss = 0.0001 tesla.

Common Uses: Earth's magnetic field, weak field measurements, older literature

Conversion: 1 T = 10,000 G

Common Conversions

Earth's magnetic field: ~25–65 µT = 0.25–0.65 Gauss
Refrigerator magnet: ~5 mT = 50 Gauss
MRI scanner (clinical): 1.5–3 T = 15,000–30,000 Gauss
Strongest continuous magnet (research): ~45 T = 450,000 Gauss

Conversion Formulas

Force on moving charge: F = q × v × B
Force on current-carrying wire: F = I × L × B
Tesla to gauss: G = T × 10,000
Gauss to tesla: T = G ÷ 10,000
Magnetic flux: Φ = B × A (flux density × area)

Practical Examples

Compass needle responds to Earth's weak field (~50 µT)

Credit card magnetic strip: ~300 Gauss (30 mT)

Electric motor permanent magnet (neodymium): ~1–1.4 T

MRI body scanner: 1.5–3 T for detailed tissue imaging

When to Use Each Unit

Tesla (T): Strong fields: MRI, industrial magnets, scientific research

Gauss (G): Weak fields: Earth's field, geological surveys, older references

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