TechTools

Magnetic Flux Density Converter

From
To
Sig. figures:

Tesla

T

1(input)

Millitesla

mT

1000

Microtesla

μT

1.00000e+6

Nanotesla

nT

1.00000e+9

Picotesla

pT

1.00000e+12

Weber per Square Meter

Wb/m²

1

Gauss

G

10000

Kilogauss

kG

10

Milligauss

mG

1.00000e+7

Microgauss

μG

1.00000e+10

Gamma (geophysics)

γ

1.00000e+9

Maxwell per Square Centimeter

Mx/cm²

10000

Hover any row to copy the value or use it as the new input.

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Convert magnetic flux density (B-field) across 12 units: SI (Tesla, Millitesla, Microtesla, Nanotesla, Picotesla, Weber per square meter) and CGS (Gauss, Kilogauss, Milligauss, Microgauss, gamma, Maxwell per square centimeter). 1 T = 10,000 G (exact). gamma (γ) = 1 nT used in geomagnetism. Quick-reference covers Earth's field (25–65 μT), fridge magnets (1–10 mT), MRI (1.5–3 T), and research magnets (up to 45 T). 100% browser-based with exact NIST-traceable factors.

How to Use

  1. 1Type a B-field value in the input field
  2. 2Select your starting unit (Tesla, Gauss, nT, etc.) from the From dropdown
  3. 3Select your target unit in the To dropdown
  4. 4All 12 conversions appear simultaneously across SI and CGS groups
  5. 5Hover any row to copy or use as input
  6. 6Click ⇄ to swap From/To units
  7. 7Enable Sci notation for pT-level biomagnetic fields or kT-level research magnets
  8. 8Open the quick-reference table for Earth's field, MRI, and permanent magnet values

Features

  • 12 B-field units: T, mT, μT, nT, pT, Wb/m², G, kG, mG, μG, gamma, Mx/cm²
  • SI / Metric and CGS / Gaussian groups
  • All 12 conversions shown simultaneously
  • Click any row to use as new input
  • Swap ⇄ button
  • Adjustable sig. figures (3–12)
  • Scientific notation toggle
  • Quick-reference: Earth field, fridge magnets, MRI, research magnets
  • 100% browser-based - no server

Frequently Asked Questions

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