# Impedance Calculator

**URL:** https://sierraconnect.protoexpress.com/c/sierras-calculators-and-other-tools/impedance-calculator/52.md

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## [About the Impedance Calculator category](https://sierraconnect.protoexpress.com/t/about-the-impedance-calculator-category/60)

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**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [September 5, 2023, 10:54pm UTC](https://sierraconnect.protoexpress.com/t/about-the-impedance-calculator-category/60 "2023-09-05T22:54:07Z")

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The Impedance Calculator category on SierraConnect focuses on our free tool designed to simplify impedance calculations for PCB designs. This category provides guidance on using the impedance calculator to accurately det…

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## [An impedance calculator that uses the 2D numerical solution of Maxwell's equations for PCB transmission lines](https://sierraconnect.protoexpress.com/t/an-impedance-calculator-that-uses-the-2d-numerical-solution-of-maxwells-equations-for-pcb-transmission-lines/232)

<div class="topic-metadata">

**Author:** [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Replies:** 0\
**Last updated:** [October 11, 2023, 8:35pm UTC](https://sierraconnect.protoexpress.com/t/an-impedance-calculator-that-uses-the-2d-numerical-solution-of-maxwells-equations-for-pcb-transmission-lines/232 "2023-10-11T20:35:06Z")

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The Impedance Calculator uses the 2D numerical solution of Maxwell’s equations for PCB transmission lines. It renders fairly accurate results suitable for use in circuit board manufacturing and engineering analysis. In …