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Straight Wire Inductor Calculator

See our other Electronics Calculators.

This calculator computes the inductance of a microstrip etched on a PCB, which according to the ARRL handbook is:

L= 0.00508*b*(ln(2*b/a) - 0.75)


a is wire radius in inches,
b is the length in inches, and
L is inductance in uH.

a (strip width) (inches)
b (strip length) (inches)

L (Inductance) (uH)

Inductor and Coil Manufacturer Links

The best way to find inductors and coils is to use our free Electronics Component Directory, where a myriad of magnetics manufactures are listed.

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