Popular magnetic flux density (b) conversions
- Teslas to gauss1 T = 10,000 G
- Teslas to milliteslas1 T = 1,000 mT
- Teslas to microteslas1 T = 1,000,000 µT
- Gauss to teslas1 G = 0.0001 T
- Gauss to milliteslas1 G = 0.1 mT
- Gauss to microteslas1 G = 100 µT
- Milliteslas to teslas1 mT = 0.001 T
- Milliteslas to gauss1 mT = 10 G
- Milliteslas to microteslas1 mT = 1,000 µT
- Microteslas to teslas1 µT = 0.000001 T
- Microteslas to gauss1 µT = 0.01 G
- Microteslas to milliteslas1 µT = 0.001 mT
- Nanoteslas to gauss1 nT = 0.00001 G
- Gauss to nanoteslas1 G = 100,000 nT
About magnetic flux density (b) units
Magnetic flux density B is measured in teslas; the CGS gauss is exactly 10⁻⁴ T. The Earth’s field is about 25–65 µT (0.25–0.65 G), a fridge magnet around 5 mT, and an MRI scanner 1.5–3 T.
Magnetic Flux Density (B) unit reference
| Unit | Symbol | Value in T | System |
|---|---|---|---|
| Tesla | T | 1 T | SI |
| Millitesla | mT | 0.001 T | SI |
| Microtesla | µT | 0.000001 T | SI |
| Nanotesla | nT | 1×10⁻⁹ T | SI |
| Gauss | G | 0.0001 T | CGS |
| Milligauss | mG | 1×10⁻⁷ T | CGS |
| Kilogauss | kG | 0.1 T | CGS |
| Gamma | γ | 1×10⁻⁹ T | CGS |
| Weber per square centimeter | Wb/cm² | 10,000 T | SI |
| Weber per square inch | Wb/in² | 1,550.0031 T | US customary |
| Maxwell per square centimeter | Mx/cm² | 0.0001 T | CGS |
Frequently asked questions
What is the SI unit of magnetic flux density (b)?
This converter uses the tesla (T) as its reference unit; every other unit is defined relative to it.
How many magnetic flux density (b) units can I convert?
11 units are supported here, across SI, CGS, US customary systems. Every pair can be converted in both directions.
Does this magnetic flux density (b) converter work offline?
Yes. Once the page has loaded, every calculation runs locally in your browser — nothing is sent to a server.