Calculate absolute and relative magnetic permeability of materials.
Magnetic Properties
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About this calculator
Overview
Magnetic permeability (μ) is the measure of the ability of a material to support the formation of a magnetic field within itself. It is the degree of magnetization that a material obtains in response to an applied magnetic field.
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Pro Tips
Vacuum has a relative permeability of exactly 1.
Ferromagnetic materials like iron have very high permeability (thousands of times that of a vacuum).
Permeability is not always constant and can depend on the field strength in many materials.
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Fun Facts
"The term 'permeability' was coined by Oliver Heaviside in 1885."
"Superconductors have a relative permeability of 0, meaning they completely expel magnetic fields (Meissner effect)."
