Calculate trace impedance for controlled impedance designs. Supports microstrip, stripline, coplanar waveguide, and differential pair configurations.
Microstrip Stripline Coplanar Differential
Trace on outer layer with ground plane below. Most common for high-speed signals.
Trace Width (W) (mm)
Dielectric Height (H) (mm)
Copper Thickness (T) (mm)
Dielectric Constant (εr)
Single-Ended Impedance 56.9 Ω
Effective εr 2.64
Propagation Delay 138.2 ps/inch
Based on IPC-2141 formulas. For production, verify with your fab house.
We offer controlled impedance PCBs with ±5Ω (standard) or ±3Ω (premium) tolerance.
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