# Solenoid Coil Electromagnetic Force

Find the force by entering the values for current, coil area, number of turns, and coil length.

Use this calculator to determine the magnetic force between a solenoid coil and a ferromagnetic material. Simply input the current, coil area, number of turns, and coil length to obtain the result.

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1
Number of calculations

Where:

- F = Force,
- i = Current,
- g = Length of the gap between the solenoid and a piece of metal,
- a = Area n = Number of turns,
- Magnetic constant = 4 x PI x 10
^{-7}.