Magnetic field converter
Convert µT to mT — microtesla to millitesla
Convert microteslas (µT) to milliteslas (mT) instantly. 1 µT = 0.001 mT. Free calculator with formula, conversion table, and T base-unit equivalent.
Also searched as: uT to mT, micro tesla to milli tesla, micro to milli tesla, micro teslas to milli teslas.
- Scientific Notation
- 5 × 10¹ mT
- Real-World Context
- 1 µT is roughly the Earth's geomagnetic field
- Step-by-Step
- 1. Start with 50,000 µT. 2. Since 1 micro-unit = 1/1,000th of a milli-unit, divide by 1,000. 3. 50,000 ÷ 1,000 = 50 mT.
- Formula Used
- ÷ 1,000 (micro = 10⁻⁶, milli = 10⁻³)
Quick Conversions
| Mega | 5 × 10⁻⁸ MT |
|---|---|
| Kilo | 0.00005 kT |
| Base Unit (teslas) | 0.05 teslas |
| Nano | 50,000,000 nT |
| Pico | 5 × 10¹⁰ pT |
Quick µT to mT answer
1 µT = 0.001 mT
divide by 1,000
50,000 µT = 50 mT
microtesla to millitesla formula
Milli is 10^-3 and micro is 10^-6. They are three powers of ten apart, so every µT to mT conversion uses the exact factor 1,000.
mT = µT ÷ 1,000
50,000 µT ÷ 1,000 = 50 mTµT to mT table
Common values for microteslas converted to milliteslasand the base unit (T).
| microteslas | milliteslas | teslas |
|---|---|---|
| 1 µT | 0.001 mT | 0.000001 T |
| 10 µT | 0.01 mT | 0.00001 T |
| 100 µT | 0.1 mT | 0.0001 T |
| 1,000 µT | 1 mT | 0.001 T |
| 2,000 µT | 2 mT | 0.002 T |
| 5,000 µT | 5 mT | 0.005 T |
| 10,000 µT | 10 mT | 0.01 T |
| 20,000 µT | 20 mT | 0.02 T |
| 50,000 µT | 50 mT | 0.05 T |
| 100,000 µT | 100 mT | 0.1 T |
| 1,000,000 µT | 1,000 mT | 1 T |
Understanding microteslas and milliteslas
A microtesla (µT) is 10⁻⁶ of the base unit (tesla) and a millitesla (mT) is 10⁻³. They sit three powers of ten apart, so going from µT to mT means dividing by exactly 1,000 — move the decimal point three places to the left.
Microteslas describe the Earth's field — about 25 to 65 µT depending on latitude — plus mains hum from wiring and the output of magnetometers in phones and drones. Compass calibration failures are almost always a local µT-scale disturbance, not a sensor fault.
This calculator shifts the decimal exponent rather than multiplying in binary floating point, so 50,000 µT returns exactly 50 mT — not a value with a trailing rounding error.
Common µT to mT mistake
Gauss is still common in magnet catalogues: 1 mT = 10 G, so a magnet listed at 3000 G is 300 mT. Reading gauss as if it were µT or mT misplaces the value by a factor of ten or ten thousand.
When to use µT vs mT
microteslas and milliteslas are used for medical MRI measurements, geomagnetic fields, sensor calibration, and biomagnetism. Use the larger milli unit when the number becomes easier to scan, and the smaller micro unit when you need finer detail.