Tools/Microstrip Calculator

Microstrip Impedance Calculator

Calculate impedance for outer layer traces

Trace Parameters

Signal Trace (W × T)

Dielectric (Er = 4.5)

Ground Plane

Trace Width - W (mil)

Dielectric Height - H (mil)

Dielectric Constant (Er)

Copper Thickness - T (mil)

Frequency (MHz)

For wavelength calculation

Characteristic Impedance (Z0)

43.39Ω

Effective Er

3.462

Propagation Delay

157.65 ps/in

Wavelength

161.12 mm

Capacitance

3.634 pF/in

Inductance

6.840 nH/in

Velocity

161.1 km/s

Single-ended digital50Ω

RF/Microwave50Ω

Video signals75Ω

We offer controlled impedance PCB manufacturing.

Stripline Calculator

Inner layer impedance

Differential Pair

Differential impedance