Convert Milligauss to Millitesla (mG to mT)
1 milligauss (mG) = 0.0001 millitesla (mT). 1 mT = 10000 mG. Example: 15 mG = 15 × 0.0001 = 0.0015 mT.
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1 mG = 0.0001 mT
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk milligauss to millitesla converter to paste a column from Excel.
How to Convert Milligauss to Millitesla
- 1 mG = 0.0001 mT
- 1 mT = 10000 mG
- Example: convert 15 mG to mT: 15 mG = 15 × 0.0001 mT = 0.0015 mT
Formula
mT = mG ÷ 10000
Derivation from SI units:
- 1 mG = 10⁻³ G = 10⁻⁷ T = 0.1 µT
- 1 mT = 10⁻³ T
- 1 mG = 1 × 10⁻⁷ T ÷ 0.001 T per mT = 0.0001 mT
Both units are defined exactly, so the factor is exact. Milligauss definition: milligauss; Millitesla definition: millitesla.
Worked examples
- A reading of 2 mG converts to 0.0002 mT.
2 mG × 0.0001 = 0.0002 mT - A value of 10 mG is 0.001 mT.
10 mG × 0.0001 = 0.001 mT
Milligauss to Millitesla conversion table
| Milligauss (mG) | Millitesla (mT) |
|---|---|
| 0.1 mG | 0.00001 mT |
| 0.5 mG | 0.00005 mT |
| 1 mG | 0.0001 mT |
| 2 mG | 0.0002 mT |
| 3 mG | 0.0003 mT |
| 4 mG | 0.0004 mT |
| 10 mG | 0.001 mT |
| 100 mG | 0.01 mT |
| 500 mG | 0.05 mT |
| 1000 mG | 0.1 mT |
Where it's used
Milligauss are used for EMF meters for homes and offices, while millitesla appear in fridge and small permanent magnets (about 5–100 mT). Both measure magnetic flux density (B field), so the conversion is a fixed factor.
Milligauss to other magnetic flux density units
| Conversion | 1 mG equals |
|---|---|
| milligauss to millitesla | 0.0001 mT |
| milligauss to tesla | 1 × 10⁻⁷ T |
| milligauss to gauss | 0.001 G |
| milligauss to microtesla | 0.1 µT |
| milligauss to nanotesla | 100 nT |
| milligauss to kilogauss | 0.000001 kG |
Frequently asked questions
How many millitesla are in 1 milligauss?
1 mG = 0.0001 mT.
How do I convert milligauss to millitesla?
Multiply the value in mG by 0.0001, or divide it by 10000. For example, 15 mG × 0.0001 = 0.0015 mT.
Is the mG to mT conversion exact?
Yes. Both units are defined exactly, and 1 mG is exactly 0.0001 mT.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "gauss".
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Milligauss to Millitesla (mG to mT). Retrieved October 25, 2026, from https://scientificconverters.com/magnetic-flux-density/milligauss-to-millitesla/
IEEE
Scientific Converters, "Convert Milligauss to Millitesla (mG to mT)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/magnetic-flux-density/milligauss-to-millitesla/