what kind of metric system does the us use
international units United States customary units
title: Metrication in the United States text: Metrication in the United States Metrication (or metrification) is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units. Although all U.S. customary units have been redefined in terms of SI units, as of 2018 the United States is one of only seven countries, including Myanmar (Burma), Liberia, Palau, the Marshall Islands, the Federated States of Micronesia, and Samoa that have not officially adopted the metric system as the primary means of weights and measures. The United States has official legislation for metrication; however, conversion title: Metrication text: time, the metric system has influenced the United States through international trade and standardisation. The use of the metric system was made legal as a system of measurement in 1866 and the United States was a founding member of the International Bureau of Weights and Measures in 1875. The system was officially adopted by the federal government in 1975 for use in the military and government agencies, and as preferred system for trade and commerce. It has remained voluntary for federal and state road signage to use metric units, despite attempts in the 1990s to make it a requirement. A title: Metrication in the United States text: both customary and metric units. Immediately after independence, the thirteen United States used a variety of units of measure, including Dutch units and English units. The 1789 Constitution grants Congress the authority to determine standards of measure, though it did not immediately use this authority to impose a uniform system. The United States was one of the first nations to adopt a decimal currency, under the Coinage Act of 1792. In 1793, Thomas Jefferson requested artifacts from France that could be used to adopt the metric system in the United States, and Joseph Dombey was sent from France with a title: Metrication in the United States text: Department of Commerce, and the National Institute of Standards and Technology (NIST), were held from 1989 through 1993. Congress included new encouragement for U.S. industrial metrication in the Omnibus Foreign Trade and Competitiveness Act. This legislation amended the Metric Conversion Act of 1975 and designated the metric system as "the Preferred system of weights and measures for United States trade and commerce". The legislation states that the federal government has a responsibility to assist industry, especially small business, as it voluntarily converts to the metric system of measurement. This legislation required most federal agencies to use the metric system in title: Metrication in the United States text: in 1893, metric standards, developed through international cooperation under the auspices of BIPM, were adopted as the fundamental standards for length and mass in the United States. The definitions of United States customary units, such as the foot and pound, have been based on metric units since then. The 1895 Constitution of Utah, in Article X, Section 11, originally mandated that: "The Metric System shall be taught in the public schools of the State." This section was repealed, effective July 1, 1987. On July 4, 1876, Melvil Dewey (known for his Dewey Decimal Classification) incorporated the American Metric Bureau in