How many milliteslas are in one microtesla?

One microtesla equals exactly 0.001 milliteslas. Since the prefix "milli" means one-thousandth and "micro" means one-millionth, converting µT to mT means dividing by 1000.

What is a microtesla used for?

Microteslas measure weak magnetic fields. Earth's magnetic field is roughly 25–65 µT depending on location. EMF meters, magnetometers in phones, and geophysical instruments commonly report in microteslas.

What is a millitesla used for?

Milliteslas appear in moderate-strength magnetic field contexts such as electromagnets, induction heating coils, and some industrial sensor specs. MRI machines operate at much higher fields (1–3 T = 1,000–3,000 mT).

How do I convert milliteslas back to microteslas?

Multiply the millitesla value by 1000. For example, 0.05 mT × 1000 = 50 µT. Use the swap button in this tool to perform the reverse conversion automatically.

How does microtesla relate to the full tesla unit?

One tesla (T) = 1000 milliteslas (mT) = 1,000,000 microteslas (µT). So 1 µT = 0.000001 T. The tesla is the SI unit of magnetic flux density; microtesla and millitesla are just scaled sub-units.

Microteslas to Milliteslas Converter

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

Enter a value in microteslas (µT) and instantly get the equivalent in milliteslas (mT); 1 µT = 0.001 mT.

Magnetic Flux Density Conversion

Value in Microteslas (µT)

Result in Milliteslas (mT)

Formula

mT = µT ÷ 1000

1 µT = 0.001 mT • 1 mT = 1000 µT

Quick Reference

Microteslas (µT)	Milliteslas (mT)
1 µT	0.001 mT
10 µT	0.01 mT
50 µT	0.05 mT
100 µT	0.1 mT
500 µT	0.5 mT
1,000 µT	1 mT
5,000 µT	5 mT
10,000 µT	10 mT

Summary

Enter a value in microteslas (µT) and instantly get the equivalent in milliteslas (mT); 1 µT = 0.001 mT.

How it works

Enter the magnetic flux density value in microteslas (µT) in the input field.
The converter divides your value by 1000 (since 1 mT = 1000 µT).
The result in milliteslas (mT) appears instantly below.
Use the swap button to reverse the conversion from milliteslas to microteslas.
Copy the result to clipboard with one click.

Use cases

Convert Earth's magnetic field readings (25–65 µT range) into milliteslas for reports.
Translate EMF meter readings from µT to mT when comparing against safety thresholds.
Convert sensor output values in geophysical surveys and magnetometer studies.
Cross-check magnetic flux density units in electromagnetic compatibility (EMC) testing.
Verify unit conversions in MRI field strength research and medical physics coursework.
Convert between µT and mT when working with weak magnetic field specifications.

Frequently Asked Questions

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