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Millitesla (mT)

One thousandth of a tesla. A fridge magnet is roughly 5 mT.

What is a millitesla?

Symbol
mT
Quantity
Magnetic Flux Density
Unit system
SI
Definition
One thousandth of a tesla. A fridge magnet is roughly 5 mT.
Exact
Yes, the value is exact by definition
Source
SI Brochure, 9th edition (BIPM, 2019)

Common applications

Used for the field near everyday magnets and inside motors, and in Hall-effect sensor ranges.

Millitesla in other magnetic flux density units

Millitesla quick reference

Millitesla in other units
MilliteslaGaussTeslaMicrotesla
1 mT= 10 G= 0.001 T= 1000 µT
10 mT= 100 G= 0.01 T= 10000 µT
100 mT= 1000 G= 0.1 T= 100000 µT
1000 mT= 10000 G= 1 T= 1000000 µT

Where the millitesla fits

The next smaller magnetic flux density unit is the gauss (G). 1 mT = 10 G, and 1 G = 0.1 mT.

The next larger magnetic flux density unit is the kilogauss (kG). 1 mT = 0.01 kG, and 1 kG = 100 mT.

Frequently asked questions

How many gauss are in one millitesla?
One millitesla = 10 G (gauss).
How many teslas are in one millitesla?
One millitesla = 0.001 T (teslas).
How many microteslas are in one millitesla?
One millitesla = 1000 µT (microteslas).

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