Convert magnetic flux between weber, milliweber, volt-second, and maxwell, then compare SI and CGS notation without mixing in field geometry.
Last updated
Also in Magnetism
Magnetism Units
A magnetic flux converter helps when a source switches between SI webers and older CGS maxwells, or when electrical work writes the same quantity as volt-seconds. This page converts flux only, keeping it separate from magnetic field strength, flux density, area, and permeability assumptions.
Magnetic flux describes the total magnetic field passing through a surface. It is a quantity of overall field passage, not a field-per-area quantity and not a magnetizing-force quantity.
That is why this page stays within weber, maxwell, and related expressions. If the real task involves area-normalized field intensity, you need a magnetic flux density converter instead.
The SI unit for magnetic flux is the weber. Older literature may still use maxwell from the CGS family, while some electrical contexts write the same SI quantity as volt-seconds.
Seeing those labels together is useful when you are re-reading lab notes, educational material, or instrumentation references that were written with different notation habits.
1 Wb = 1 V·s
Shows the SI derived-unit identity between magnetic flux and volt-seconds.
1 Wb = 10^8 Mx
Core SI-to-CGS relationship between the weber and the maxwell.
Flux often appears in problems that also involve coil turns, induced voltage, cross-sectional area, or time-varying fields. Those are separate calculation steps, not part of a pure unit conversion.
This page therefore converts the reported flux cleanly but does not infer anything about how that flux was produced or how it distributes through a material or air gap.
Frequently asked questions
Yes. In SI derived-unit terms, 1 weber equals 1 volt-second. The notation changes, but the magnetic flux quantity does not.
Because older CGS-based scientific and engineering literature still uses maxwell for magnetic flux. A modern converter helps you compare that notation with SI weber values without hand-converting powers of ten.
Not by itself. Flux density needs area information because tesla is flux per unit area. This page intentionally keeps the task at the total-flux level.
Use milliweber when the flux value is small enough that the prefixed SI form is easier to read than a long decimal in webers.
Related
These related calculators come from the same leaf category, nearby sibling categories, or the same top-level topic.
Convert magnetic flux density B between tesla, millitesla, gauss, gamma, and Wb/m², then compare SI and CGS expressions side by side.
Convert magnetic field strength H between ampere per metre, kiloampere per metre, and oersted, then compare SI and CGS expressions side by side.
Convert representative CGS and SI units for force, energy, dynamic viscosity, and pressure without mixing quantity families.
Convert decimal values across the SI prefix ladder from yocto through yotta, with grouped small, base, and large-scale reference outputs.
