Magnetic Flux Converter — Weber & Maxwell

Convert magnetic flux between webers, milliwebers, microwebers, maxwells, and volt-seconds.

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How this conversion works. Flux is converted through the weber; the maxwell relation (10⁻⁸ Wb) is exact per NIST Special Publication 811.

How to use

  1. Choose the units to convert from and to.
  2. Enter a value — the converted result updates instantly.
  3. Click Copy to copy the result to your clipboard.

Frequently asked questions

How do I convert weber to maxwell?

1 weber = 1.0000e+8 maxwell. Choose "Weber (Wb)" as From and "Maxwell (Mx)" as To, type a value, and the result updates instantly.

How many maxwells are in a weber?

10⁸ (100 million) — the maxwell is 1 gauss × cm² while the weber is 1 tesla × m², and both factors of 10⁴ multiply.

Why does a volt-second equal a weber?

Faraday’s law: EMF = −dΦ/dt. A flux change of 1 Wb in 1 s induces 1 V, so the weber is dimensionally a volt-second — useful when sizing transformer cores.

Is my data sent to a server?

No. Conversions run entirely in your browser using fixed factors — nothing is uploaded or logged.

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