Magnetomotive Force Converter

Simplify magnetomotive force conversions. Convert between ampere-turns (At), kiloampere-turns (kAt), and milliampere-turns (mAt) effortlessly.


Description: Magnetomotive Force Unit Converter

The Magnetomotive Force (MMF) Unit Converter is a tool designed to assist in the conversion between various units used to measure magnetomotive force. Magnetomotive force is the strength of the magnetic field produced by a current-carrying coil or solenoid. This converter enables users to seamlessly switch between different units of MMF, aiding in calculations and comparisons in fields such as electrical engineering and electromagnetism.

Formula:Magnetomotive force (FF) is calculated as the product of the current (II) flowing through a coil and the number of turns (NN) in the coil:F=I×NF = I \times NWhere:

  • FF is the magnetomotive force (MMF),
  • II is the current in amperes (A), and
  • NN is the number of turns in the coil.

How to Convert:To convert between different units of magnetomotive force, follow these steps:

  1. Determine the Initial and Target Units: Identify the unit you have and the unit you want to convert to.

  2. Find Conversion Factors: Use conversion factors to convert between units. These conversion factors are based on the relationships between the units.

  3. Apply the Conversion Factor: Multiply the value you want to convert by the appropriate conversion factor. If you're converting from larger units to smaller units, you'll multiply. If you're converting from smaller units to larger units, you'll divide.

  4. Perform the Calculation: Apply the conversion factor to the value you want to convert to get the equivalent value in the desired unit.

Units Explanation:

  1. Ampere Turn [At]: Magnetomotive force expressed in ampere turns, where one ampere turn corresponds to the MMF produced by one ampere of current flowing through one turn of a coil.
  2. Kiloampere Turn [kAt]: Magnetomotive force expressed in kiloampere turns, equal to one thousand ampere turns.
  3. Milliampere Turn [mAt]: Magnetomotive force expressed in milliampere turns, equal to one-thousandth of an ampere turn.
  4. Abampere Turn [abAt]: Magnetomotive force expressed in abampere turns, a unit used in the CGS electromagnetic unit system.
  5. Gilbert [Gi]: Magnetomotive force expressed in gilberts, another unit used in the CGS electromagnetic unit system.

Understanding these units and the conversion process allows for precise measurement and manipulation of magnetomotive force across different scales and applications.


  1. Conversion from Ampere Turn [At] to Milliampere Turn [mAt]:1At=1000mAt1\, \text{At} = 1000\, \text{mAt}To convert 500 ampere turns to milliampere turns:500At×1000=500000mAt500\, \text{At} \times 1000 = 500000\, \text{mAt}

  2. Conversion from Kiloampere Turn [kAt] to Gilbert [Gi]:1kAt=79.5775Gi1\, \text{kAt} = 79.5775\, \text{Gi}To convert 2 kiloampere turns to gilberts:2kAt×79.5775=159.155Gi2\, \text{kAt} \times 79.5775 = 159.155\, \text{Gi}

By following these steps and using appropriate conversion factors, magnetomotive force values can be accurately converted between different units.

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