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PCB Layout

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The connections on a PCB should be identical to its corresponding circuit diagram, but while the circuit diagram is arranged to be readable, the PCB layout is arranged to be functional, so there is rarely any visible correlation.

Community > Groups > PCB Layout > Is it possible to switching unit from mm to mil in PCB layout?
Is it possible to switching unit from mm to mil in PCB layout?
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I always use 'mil' unit in Altium and Orcad, so when comes from Kicad, the first thing I do is looking for place to change the default unit to 'mil'. But I found that the unit can be switching between inch and mm, I am wondering whether it can be changed to mil as well?
Statement: This post is only the personal view of the author and does not represent the opinions of


Native file units are always mm to a precision of 1 micron. If you can display inch, display of mil is a small change.


It is justhh to suggest a general move away from imperial to metric. The manufacturers have done it.


You can click "Preferences->General" to change the units. But what you can choose are only inch or mm, mil is inches. 1 mil = 0.001 inch.

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