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Magnetic Flux Density Converter

Enter a value below to convert between metric, imperial, and standard magnetic flux density units.

Convert Magnetic Flux Density

Enter a value and select the units to convert between teslas, milliteslas, and gauss.

Instant conversion
Result
0.001 T
10 G = 0.001 T
0.001 T = 1 mT = 10 GGet Widget

You can change the units using the dropdowns above or click on a unit button.

Suggested Conversions

Common Magnetic Flux Density Reference Points

Here are some common magnetic flux density values in Tesla (T), Millitesla (mT), and Gauss (G). Click any preset value or arrow to load it into the converter.

DescriptionTesla (T)Millitesla (mT)Gauss (G)
Earth's magnetic field (~0.00005 T / 0.5 G)0.000050.050.5
Refrigerator magnet (0.005 T / 50 G)0.005550
Neodymium N52 magnet surface (0.4 T / 4,000 G)0.44004,000
1 Tesla SI benchmark (10,000 Gauss)11,00010,000
Clinical MRI scanner (3 T / 30,000 G)33,00030,000

Magnetic Flux Density Conversion Formulas

Use the following formulas to convert between teslas, milliteslas, and gauss.

Tesla to Gauss
G = T × 10,000
Gauss to Tesla
T = G ÷ 10,000
Millitesla to Gauss
G = mT × 10
Example: Convert 1.5 Tesla (MRI Field) to Gauss (G) and Millitesla (mT)
G = 1.5 × 10,000 = 15,000 Gauss
mT = 1.5 × 1,000 = 1,500 mT

1 Tesla (T) equals exactly 10,000 Gauss (G) or 1,000 millitesla (mT).

More Gauss & Tesla Conversions

Convert from Gauss

Convert to Teslas

Frequently Asked Questions

1 gauss (G) equals 0.0001 teslas (T). Multiply your gauss value by 0.0001 or enter it in the Magnetic Flux Density Converter above for instant calculation.

All Magnetic Flux Density Conversion Calculators (4)

Select any dedicated magnetic flux density pair below for worked examples and printable tables

Gauss to Tesla (G to T)Tesla to Gauss (T to G)Millitesla to Gauss (mT to G)Gauss to Millitesla (G to mT)

Category Conversion Matrix

Simultaneous comparison of 4 units in this category

Tesla (T)
1
Millitesla (mT)
1,000
Microtesla (µT)
1,000,000
Gauss (G)
10,000

Magnetic Flux Density Unit Definitions & Symbols

Tesla (T)

SI

SI unit of magnetic flux density (1 Wb/m² = 10,000 Gauss).

Millitesla (mT)

METRIC

One-thousandth of a Tesla (10 Gauss).

Microtesla (µT)

METRIC

One-millionth of a Tesla (0.01 Gauss).

Gauss (G)

OTHER

CGS magnetic induction unit equal to 0.0001 Tesla (1 T = 10,000 G).

References

NIST · BIPM · ISO
  1. [1]
    NIST SP 811 (NIST SP 811 App. B.9 (Magnetic Flux Density))·Magnetic Flux Density Metrology Standards — Tesla (T), Millitesla (mT) & Microtesla (µT)
    NIST SP 811 Standard
  2. [2]
    NIST CUU (Derived SI Unit: Tesla (T) & Weber (Wb))·International Reference Specification for Magnetic Field & Flux Density
    NIST CUU Reference
  3. [3]
    NIST CODATA (1 Tesla = 10,000 Gauss)·Official Magnetic Flux Density Conversion Factors & Rounding Rules
    NIST CODATA Tables
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