The Metric System in the United States "The Metric System in the United States" "The Metric System in the United States" "The Metric System in the United States" "The Metric System in the United States" The Metric System in the United States History of measurement in the United States "The Metric System in the United States" The Metric System in the United States UNC: History of The Metric System in the United States unc.edu "The Metric System in the United States" Reference metric system "The Metric System in the United States" but it wasn’t approved by Congress unc.edu metric different metric system "The Metric System in the United States" System metryczny w USA "The Metric System in the United States" unc.edu unc.edu Units: The Metric System in the U. S. different metric system "The Metric System in the United States" "The Metric System in the United States" http://www.unc.edu/~rowlett/units/usmetric.html "The Metric System in the United States"