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Integrated Spiral Inductor Calculator

Input Geometric Parameters

No. turns, n =    Turn spacing, s = um
Turn width, w = um Outer diameter, dout = um

Results

  Square Hexagonal Octagonal
Modified Wheeler nH nH nH
Current Sheet nH nH nH
Monomial Fit nH nH nH

Reference:
S.S. Mohan, M. Hershenson, S.P. Boyd and T.H. Lee, "Simple Accurate Expressions for Planar Spiral Inductances," IEEE Journal of Solid-State Circuits, Oct. 1999, pp. 1419-24.