Ground Plane Impedance Calculator

Calculate ground plane impedance and return path inductance. Ensure low-impedance power delivery.

Plane Width (mm)

Plane Length (mm)

Copper Thickness (oz)

Distance to Reference (mm)

Frequency (MHz)

Dielectric ε_r

L_plane = 1.26×h×L/W (μH/m)

Skin depth: δ = 1/√(πfμσ)