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KiCad is a free software suite for electronic design automation (EDA). It facilitates the design of schematics for electronic circuits and their conversion to PCB designs. KiCad features an integrated environment for schematic capture and PCB layout design. Tools exist within the package to create a bill of materials, artwork, Gerber files, and 3D views of the PCB and its components.

Community > Groups > KiCad > In .pretty-libraries, do we only use metric footprints?
In .pretty-libraries, do we only use metric footprints?
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Richard Yan

I started a new project and I want to assign footprints to the components. I only see metric footprints for the resistors and capacitors. But the components in my drawer didn't change over night. What happened to the old footprints with 0.12 inch spacing?
Statement: This post is only the personal view of the author and does not represent the opinions of


My current project is using THT components with imperial lead spacing.


Pins spaced on a 105 mil pitch don't measure correctly when metric measurement is selected. So I guess the conversion between metric and imperial is exact intentionally to avoid these problems.

Ivan Dario

Metric conversion should be exact, with no rounding errors. And now most new SMD parts are originally metric, so using metric is important.

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