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Magnetic flux density converter
Field strength — what an MRI is rated in. 6 units, converted from one table of exact factors.
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1 tesla in every other magnetic flux density unit
Computed by the same engine that runs the converter above, so these can never drift apart from it.
| From | Equals | Unit |
|---|---|---|
| 1 tesla | 1,000 | millitesla (mT) |
| 1 tesla | 1,000,000 | microtesla (µT) |
| 1 tesla | 10,000 | gauss (G) |
| 1 tesla | 10 | kilogauss (kG) |
| 1 tesla | 1,000,000,000 | gamma (γ) |
What each unit actually is
Most converters give you a number and stop. Where a figure is exact by definition we say so, and where it is an average or shifts with conditions we say that too — that is usually the thing you needed to know.
| Unit | Symbol | What it actually is |
|---|---|---|
| tesla | T | SI. A clinical MRI runs 1.5 or 3. |
| millitesla | mT | |
| microtesla | µT | The Earth’s field is about 50 of these. |
| gauss | G | The CGS unit. 10,000 gauss make a tesla. |
| kilogauss | kG | Fridge magnets are a few dozen of these. |
| gamma | γ | Used in geophysics. |
Every converter on the site
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