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MAGNETIC UNITS

Magnetic Field Strength Converter

Convert magnetic field strength H between A/m, A/cm, kA/m and oersted.

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Calculation steps

Work through one step at a time or reveal the complete calculation. The steps use your current inputs.

    How to calculate

    Use A/m as the common base and the conventional oersted-to-SI field-strength factor.

    1 Oe=1000/(4π) A/m

    Worked example

    1 Oe is approximately 79.5774715 A/m. One A/cm is 100 A/m.

    Assumptions and input details

    This quantity is H, not magnetic flux density B. A signed input denotes a component along a chosen axis. Oersted follows the stated conventional CGS field-strength relation. Material permeability is not supplied or assumed, so teslas and gauss are not offered as equivalent units of H.

    References: NIST: unit conversion factors

    Using this calculator

    Can I enter my own problem?

    Yes. Replace the example values with your own inputs. The result, calculation steps, tables and applicable diagrams update from those inputs. Blank or invalid values clear the result; example values are never silently substituted for missing inputs.

    Are the results exact?

    Results use floating-point arithmetic and displayed rounding. Read the formula, assumptions and any stated data precision before interpreting the result.

    Is my input uploaded?

    The calculation runs in your browser. No account, file upload or external AI service is required. Inputs are not saved between page reloads.

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