Quote:
Originally Posted by Sirtel
Yes. We don't hear folks complaining about unsuitable units of measurement here or demanding the US system. Everyone is happy with metrical units, because that's what they've been using their entire life.
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To me that an important point. Use the system that works for you. If you are interacting with others make sure that everyone is using the same measuring, either Metric or U. S. Customary System (USCS). As an example, the reason the Mars Lander crashed is because everyone involved was not on the same page.
One of the reasons the U. S. hasn't fully moved the The Metric System is due to the issue of Specifications. From what I understand, for legal reasons you can't just convert a specification's measures from USCS to Metric, it has to be approved and that is a very expensive process (over $1,000 per specification) and an aircraft has many specifications. Likewise, road signs are very expensive to replace for the same reason, in the U. S. they have to comply with very specific specifications. This is why it will be a very long process to fully convert from USCS to Metric.