PCB Trace Impedance Calculator

Calculate characteristic impedance of microstrip and stripline PCB traces.

Width of the trace in mils.
mil
Height of dielectric between trace and ground plane.
mil
Copper trace thickness.
mil
Relative permittivity of PCB material (FR-4 ≈ 4.3).

Results

Microstrip Impedance-Ω
Stripline Impedance-Ω
References: IPC-2141A; Wadell Transmission Line Design Handbook; Pozar Microwave Engineering