The most of the similar calculators work using Wheeler's formula, which has acceptable accuracy only when calculating the "optimal coil". Also, these calculators allow calculating just a ready-made coil. This calculator allows calculating the number of windings of the multilayer coil at the design stage. Inductance is calculated by the accurate algorithm using Maxwell's equations with elliptic integrals, see more... You can select measurement units - mm or inches, and also AWG or SWG wire number - the wire diameter will be determined automatically.

First Thank you for great effort for creating Nice and Easy Calculator.I have one doubt that for Square former the same calculation will apply or it differs.

First Thank you for great effort for creating Nice and Easy Calculator.I have one doubt that for Square former the same calculation will apply or it differs.

You have to correct and pre-calculate dimensions for rectangular or square former. You can see how to do this in General Notes of Robert Weaver's calculator: electronbunker.ca/InductanceCalcML.html

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## Comments

You have to correct and pre-calculate dimensions for rectangular or square former. You can see how to do this in General Notes of Robert Weaver's calculator:

electronbunker.ca/InductanceCalcML.html

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