Teslas to milliteslas

Type a value in teslas to see it in milliteslas straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the teslas box.
  2. Read the result in milliteslas as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

mT = T × 1,000

Multiply the value in teslas by 1,000 to get milliteslas.

Example

To convert 25 T to milliteslas: 25 × 1,000 = 25,000 mT.

Conversion table

Teslas (T)Milliteslas (mT)
11,000
22,000
33,000
55,000
1010,000
2020,000
2525,000
5050,000
100100,000
250250,000
500500,000
1,0001,000,000

About the units

Tesla
The SI unit of magnetic flux density, equal to one weber per square meter.
Millitesla
A millitesla is exactly one thousandth of a tesla, which is 10 gauss.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many milliteslas are in one tesla?

1 T = 1,000 mT exactly.

How do I convert teslas to milliteslas?

Use mT = T × 1,000. For example, 25 T = 25,000 mT.

How many teslas are in one millitesla?

1 mT = 0.001 T.

How many gauss are in one tesla?

One tesla is exactly 10000 gauss, so a 1.5 tesla MRI scanner is 15000 gauss.

How strong is the Earth's magnetic field?

At the surface it ranges from about 25 to 65 microteslas depending on location, roughly 0.25 to 0.65 gauss.