Magnetic flux Converter

Convert magnetic flux units like weber, maxwell.

Convert Units

Convert magnetic flux measurements between weber, maxwell, and more.

What is Magnetic Flux Converter?

Magnetic flux is the total magnetic field passing through a given area. It measures how much magnetic field "flows" through a surface — the product of flux density and the area it passes through. Changing flux induces voltage (Faraday's Law), the principle behind generators and transformers.

Understanding the Units

Weber (Wb)

The SI derived unit of magnetic flux. One weber equals one volt-second.

Common Uses: Transformer and motor design, electrical engineering

Maxwell (Mx)

The CGS unit of magnetic flux.

Common Uses: Older electromagnetic literature and references

Conversion: 1 Wb = 100,000,000 Mx (10⁸ Mx)

Common Conversions

  • 1 Weber = 100,000,000 Maxwell (10⁸ Mx)
  • 1 mWb (milliweber) = 100,000 Mx
  • Typical transformer core flux: 1–10 mWb
  • Credit card magnetic flux: ~0.1 mWb

Conversion Formulas

  • Magnetic flux: Φ = B × A (field strength × area)
  • Faraday's Law: Induced EMF = –dΦ/dt (rate of flux change)
  • Weber to maxwell: Mx = Wb × 100,000,000
  • Maxwell to weber: Wb = Mx ÷ 100,000,000

Practical Examples

Electric generator: rotating conductor cuts flux lines, producing voltage

Transformer: changing AC flux in core induces voltage in secondary winding

Hard drive: data encoded as tiny flux reversals in magnetic material

Metal detector: detects disturbance in the flux of its search coil

When to Use Each Unit

Weber (Wb): Modern SI standard for transformer, motor, and generator design
Maxwell (Mx): CGS system, older electromagnetic engineering references

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