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Linear Current Density Converter

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Linear current density is current per unit of length: the current flowing in a thin sheet for each meter of its width, or the ampere-turns of a coil for each meter of its length. Its SI unit is the ampere per meter (A/m), the same unit as magnetic field strength, which is why the oersted appears here too.

Inside a long coil, the field strength H in A/m equals the coil's ampere-turns per meter: H = N * I / l. A coil of 1,000 turns on 0.5 m carrying 0.4 A gives 1,000 * 0.4 / 0.5 = 800 A/m.

How to convert linear current density

Type a value into any field, and every other unit is calculated at once. For example, 800 A/m:

  1. In A/cm: divide by 100.

    800 / 100 = 8 A/cm

  2. In oersted: divide by 79.5775.

    800 / 79.5775 = 10.05 Oe

Common conversions

Value Equals
1 A/cm 100 A/m
1 A/m 0.01 A/cm
1 A/in 39.3701 A/m
1 Oe 79.5775 A/m
1 A/m 0.0125664 Oe
1 abA/cm 1,000 A/m

Linear current density units

  • Ampere per meter (A/m): The amount of electric current in amperes flowing through a conductor per meter length.
    Conversion Factor: 1 A/m = 1 A/m (Base Unit)

  • Ampere per centimeter (A/cm): The amount of electric current in amperes flowing through a conductor per centimeter length.
    Conversion Factor: 1 A/cm = 100 A/m

  • Ampere per inch (A/in): The amount of electric current in amperes flowing through a conductor per inch length.
    Conversion Factor: 1 A/in = 1 / 0.0254 A/m ≈ 39.3701 A/m

  • Abampere per meter (abA/m): The amount of electric current in abamperes flowing through a conductor per meter length. (CGS unit)
    Conversion Factor: 1 abA/m = 10 A/m

  • Abampere per centimeter (abA/cm): The amount of electric current in abamperes flowing through a conductor per centimeter length. (CGS unit)
    Conversion Factor: 1 abA/cm = 1000 A/m

  • Abampere per inch (abA/in): The amount of electric current in abamperes flowing through a conductor per inch length. (CGS unit)
    Conversion Factor: 1 abA/in = 1 / 0.00254 A/m ≈ 393.7 A/m

  • Oersted (Oe): A unit used to measure magnetic field strength.
    Conversion Factor: 1 Oe ≈ 79.5775 A/m

  • Gilbert per centimeter (Gi/cm): A unit equivalent to the Oersted.
    Conversion Factor: 1 Gi/cm = 1 Oe ≈ 79.5775 A/m