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  2. Category:Units of measurement by country - Wikipedia

    en.wikipedia.org/wiki/Category:Units_of...

    Pages in category "Units of measurement by country" The following 81 pages are in this category, out of 81 total. ... By using this site, ...

  3. Metrication - Wikipedia

    en.wikipedia.org/wiki/Metrication

    The use of the metric system was made legal as a system of measurement in 1866 [165] and the United States was a founding member of the International Bureau of Weights and Measures in 1875. [166] 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 ...

  4. Metrology - Wikipedia

    en.wikipedia.org/wiki/Metrology

    A national measurement system (NMS) is a network of laboratories, calibration facilities and accreditation bodies which implement and maintain a country's measurement infrastructure. [8] [9] The NMS sets measurement standards, ensuring the accuracy, consistency, comparability, and reliability of measurements made in the country. [57]

  5. Worldwide Governance Indicators - Wikipedia

    en.wikipedia.org/wiki/Worldwide_Governance...

    They measure the quality of governance in over 200 countries, based on close to 40 data sources produced by over 30 organizations worldwide and are updated annually since 2002. The governance indicators contribute to the growing empirical research of governance which have provided activists and reformers worldwide with advocacy tools for policy ...

  6. System of units of measurement - Wikipedia

    en.wikipedia.org/wiki/System_of_units_of_measurement

    The avoirdupois system served as the general system of mass and weight. In addition to this, there are the troy and the apothecaries' systems. Troy weight was customarily used for precious metals, black powder, and gemstones. The troy ounce is the only unit of the system in current use; it is used for precious metals.

  7. Voter turnout - Wikipedia

    en.wikipedia.org/wiki/Voter_turnout

    Another proposed measure to increase voter turnout is a move to a proportional representation system for countries that currently use first-past-the-post in elections. Countries that use proportional representation systems have higher turnouts when compared to those that do not. [55]

  8. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    The International System of Units, internationally known by the abbreviation SI (from French Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in science ...

  9. Metre Convention - Wikipedia

    en.wikipedia.org/wiki/Metre_Convention

    The Metre Convention (French: Convention du Mètre), also known as the Treaty of the Metre, [1] is an international treaty that was signed in Paris on 20 May 1875 by representatives of 17 nations: Argentina, Austria-Hungary, Belgium, Brazil, Denmark, France, Germany, Italy, Peru, Portugal, Russia, Spain, Sweden and Norway, Switzerland, Ottoman Empire, United States of America, and Venezuela.