Skin Effect Calculator

Calculate skin depth, AC resistance increase, and effective conductor cross-section for high-frequency current flow.

AC frequency. Power: 50/60 Hz, Audio: 1-20kHz, RF: MHz.
Hz
Copper: 1.72e-8, Aluminum: 2.82e-8 Ω·m.
Ω·m
Copper/Aluminum: 1, Steel: 100-1000.
Outer diameter of the conductor.
mm

Results

Skin Depth δ-mm
R_AC / R_DC Ratio-
Effective Area-mm²
Total Area-mm²
References: Hayt — Engineering Electromagnetics; IEEE Std 80