An American Metric System

Well one obvious answer is NASA never would've lost that probe sent to Mars a few years back because someone failed to convert from one system to the other.
 
There were several groups that avacated the US adopt the French Metric System during the 1790's, However the Quasi War ended any chance of [Immediate] Success.
It wouldn't be till the 1970's that the US would adopt the Metric system and begin Converting.
 
It wouldn't be till the 1970's that the US would adopt the Metric system and begin Converting.

THe US actually legally adopted the metric system for use in 1866. In industry the decimal system has been used for well over 100 years ever since Brown & Sharpe introduced the first mass produced micrometer.
 
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