Is this PCB Impedance Calculator free to use?

Yes, PCB Impedance Calculator is 100% free to use online with no installation or account required.

How do I use the PCB Impedance Calculator?

Simply enter your values into the required input fields and click calculate to view the results instantly.

Yes, the calculator is fully responsive and compatible with Android, iOS, Windows, macOS, and Linux web browsers.

PCB Impedance Calculator — Free Online Tool

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Calculate microstrip trace characteristic impedance

Instructions: Enter trace width, trace thickness, dielectric height, dielectric constant ($\varepsilon_r$), and copper thickness below.

Microstrip Parameters

Trace Width ($w$ in mils)

Dielectric Height ($h$ in mils)

Trace Thickness ($t$ in mils)

Dielectric Constant ($\varepsilon_r$)

⚠️ For PCB design estimation, electronics study, and reference purposes only.

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