How many microteslas are in one millitesla?

Exactly 1,000 µT. The milli- prefix means one-thousandth and micro- means one-millionth of a tesla, so 1 mT = 1,000 µT. For example, 0.5 mT = 500 µT.

What are typical magnetic field strengths in mT and µT?

Earth's magnetic field is roughly 25–65 µT (0.025–0.065 mT). MRI machines operate at 1,500,000–3,000,000 µT (1,500–3,000 mT). Strong rare-earth magnets can reach tens of thousands of mT.

Does converting mT to µT change the physical quantity?

No. Milliteslas and microteslas are different scales for the same physical quantity — magnetic flux density. A 2 mT field and a 2,000 µT field are identical. Converting the unit does not change the actual field.

Can I convert µT back to mT with this tool?

Yes. Click the "Swap direction" button to switch from µT-to-mT mode. The tool divides your µT value by 1,000. For example, 750 µT ÷ 1,000 = 0.75 mT.

How does mT relate to the base unit tesla?

1 mT = 0.001 T, and 1 µT = 0.000001 T. So 1 mT = 1,000 µT. The tesla (T) is the SI base unit of magnetic flux density; mT and µT are simply metric scale prefixes applied to it.

Milliteslas to Microteslas Converter

Name: Milliteslas to Microteslas Converter
Availability: InStock
Author: Nham Vu

Enter a magnetic flux density in milliteslas (mT) and instantly get microteslas (µT). 1 mT = 1,000 µT.

Magnetic Flux Density Conversion

Value in Milliteslas (mT)

Result in Microteslas (µT)

Formula

µT = mT × 1,000

1 mT = 1,000 µT (exact, by SI definition)

Quick Reference

mT	µT
0.001 mT	1 µT
0.01 mT	10 µT
0.05 mT	50 µT
0.1 mT	100 µT
0.5 mT	500 µT
1 mT	1,000 µT
5 mT	5,000 µT
10 mT	10,000 µT

Summary

Enter a magnetic flux density in milliteslas (mT) and instantly get microteslas (µT). 1 mT = 1,000 µT.

How it works

Enter your magnetic flux density value in milliteslas (mT) in the input field.
The converter multiplies your value by 1,000 (since 1 mT = 1,000 µT).
The equivalent microtesla (µT) result appears instantly.
Use the swap button to reverse the conversion from µT back to mT.
Copy the result to clipboard with one click.
Enter any decimal value — the conversion handles fractional mT precisely.

Use cases

Convert MRI scanner field strength specifications between mT and µT.
Cross-reference magnetic sensor datasheets that mix mT and µT units.
Translate electromagnetic compatibility (EMC) test limits from mT to µT.
Compare Earth magnetic field measurements reported in different units.
Convert physics lab measurements for magnetic field experiments.
Verify medical device magnetic field exposure limits in matching units.
Translate industrial magnetic field sensor output between mT and µT.
Convert magnetic shielding specifications from mT to µT for compliance.

Frequently Asked Questions

Last updated: 2026-07-24 · Reviewed by Nham Vu