Skin Depth Calculator
Calculate electromagnetic skin depth from frequency, conductivity, and permeability.
Formula
δ = 1/√(π·f·μ₀·μr·σ)
Source / method note
Uses δ = 1/√(πfμσ) under the good-conductor approximation.
Legal / official rate note
RF/EMI design also requires surface roughness, geometry, and frequency-dependent material properties.