Magnetic Field Strength Converter

Convert magnetic field strength (H-field) between amperes per meter (A/m) and oersted (Oe). Used in electromagnetism and magnetic material characterisation.

Common Magnetic Field Strength Conversions

FromTo
1 Oe79.5775 A/m
1 A/m0.012566 Oe
1 kA/m1,000 A/m

Magnetic Field Strength Unit Definitions

Ampere per meter (A/m)
SI unit of magnetic field strength.
Oersted (Oe)
CGS unit. 1 Oe = 79.5775 A/m.

Frequently Asked Questions

What is the difference between B and H fields?

B (Tesla) is magnetic flux density — the total field including material response. H (A/m) is magnetic field strength — the applied field. B = µ₀µᵣH.