How many milliteslas is 1 gauss?

Exactly 0.1 mT. The conversion factor is defined: 1 G = 10⁻⁴ T = 0.1 mT.

How do I convert gauss to millitesla?

Multiply the gauss value by 0.1. For example, 500 G × 0.1 = 50 mT.

What is the difference between gauss and millitesla?

Both measure magnetic flux density (B-field). Gauss is the CGS unit; millitesla is 0.001 T in the SI system. 10 G = 1 mT. Millitesla is preferred in modern engineering and medical standards.

Why use millitesla instead of gauss?

Millitesla is part of the SI system, which is the international standard for science and engineering. Many datasheets, IEC standards, and medical device specs are written in mT, while older literature and US-made instruments may use gauss.

Is this conversion exact?

Yes. The factor 1 G = 0.1 mT is an exact definition with no approximation. Results here are limited only by JavaScript's 64-bit floating-point precision.

Gauss to Milliteslas Converter

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

Enter a value in gauss and get the result in milliteslas (mT) instantly — 1 G = 0.1 mT.

Input

Value in Gauss (G)

Quick examples

Results

Enter a value on the left to see the conversion.

Copied!

Summary

Enter a value in gauss and get the result in milliteslas (mT) instantly — 1 G = 0.1 mT.

How it works

Enter your value in gauss into the input field.
The converter multiplies the gauss value by 0.1 (exact factor: 1 G = 0.1 mT).
Results appear instantly in mT, and also in tesla (T) and microtesla (µT) for cross-reference.
Click any result to copy it to your clipboard.
Use the quick-example buttons to load common reference values.

Use cases

Convert Hall-effect sensor readings (often in gauss) to mT for SI datasheets.
Translate permanent magnet flux density specs between CGS and SI documentation.
Check earth magnetic field measurements (~0.25–0.65 G = 0.025–0.065 mT).
Convert fridge magnet ratings (~100 G = 10 mT) for engineering references.
Cross-reference therapeutic magnetic device specs given in mixed unit systems.
Quick classroom unit conversion for physics and electrical engineering coursework.

Frequently Asked Questions

Last updated: 2026-07-23 · Reviewed by Nham Vu