Inductor Value Calculator

Calculate inductor values, reactance, and resonant frequency. Includes air core and ferrite core inductors.

mm
mm
Coil Diagram
mm²
mm
Core Types

Inductor Design Reference

Core Materials
Material Permeability (µr)
Air 1
Iron Powder 10-100
Ferrite 100-3000
Design Tips
  • Consider core saturation
  • Mind temperature effects
  • Account for core losses
  • Check frequency range
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