Inductance of An Air Core Coil Calculator

Electrical
1 minute

Calculate the inductance of an air core inductor coil

This online electrical calculator helps you calculate the inductance of an air core inductor coil. Simply input the diameter, length, and number of turns of the coil to obtain the desired result. It enables you to quickly determine the inductance value based on the provided parameters.

Coil Diameter
inches
Coil Length
inches
Number of turns
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    Inductance = \frac{{(d^2) \cdot (n^2)}}{{18d + 40l}}

    where,

    • d = Coil Diameter,
    • l = Coil Length,
    • n = Number of turns.