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  2. Imperial and US customary measurement systems - Wikipedia

    en.wikipedia.org/wiki/Imperial_and_US_customary...

    The US Customary system of units makes use of set of dry units of capacity that have a similar set of names [Note 7] to those of liquid capacity, though different volumes: the dry pint having a volume of 33.6 cubic inches (550 ml) against the US fluid pint's volume of 28.875 cubic inches (473 ml) and the imperial pint of 34.68 cubic inches (568 ...

  3. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    United States customary units form a system of measurement units commonly used in the United States and most U.S. territories [1] since being standardized and adopted in 1832. [2] The United States customary system developed from English units that were in use in the British Empire before the U.S. became an independent country.

  4. Metrication in the United States - Wikipedia

    en.wikipedia.org/wiki/Metrication_in_the_United...

    The 2000, 2003, and 2004 [105] editions of the Manual on Uniform Traffic Control Devices (MUTCD) were published using both metric and US customary units. Metric signs, including speed signs in kilometers per hour, were displayed in the manual although they were not normally used on the roads and there was no definite plan to convert to metric.

  5. Metric Conversion Act - Wikipedia

    en.wikipedia.org/wiki/Metric_Conversion_Act

    The Metric Conversion Act of 1975 is an Act of Congress that was signed into law by U.S. President Gerald Ford on December 23, 1975. [1] It declared the metric system "the preferred system of weights and measures for United States trade and commerce", but permitted the use of United States customary units in all activities.

  6. Metric Act of 1866 - Wikipedia

    en.wikipedia.org/wiki/Metric_Act_of_1866

    The Metric Act of 1866, also known as the Kasson Act, is a piece of United States legislation that legally protected use of the metric system in commerce from lawsuit, and provided an official conversion table from United States customary units. [1]

  7. Comparison of the imperial and US customary measurement ...

    en.wikipedia.org/wiki/Comparison_of_the_imperial...

    This became the US fluid gallon. Both the imperial and US fluid gallon are divided into 4 quarts, 8 pints or 32 gills. [d] However, whereas the US gill is divided into four US fluid ounces, the imperial gill is divided into five imperial fluid ounces. So whilst the imperial gallon, quart, pint and gill are about 20% larger than are their US ...

  8. System of units of measurement - Wikipedia

    en.wikipedia.org/wiki/System_of_units_of_measurement

    The avoirdupois units of mass and weight differ for units larger than a pound (lb). The British imperial system uses a stone of 14 lb, a long hundredweight of 112 lb and a long ton of 2,240 lb. The stone is not a measurement of weight used in the US. The US customary system uses the short hundredweight of 100 lb and short ton of 2,000 lb.

  9. Category : Customary units of measurement in the United States

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

    Pages in category "Customary units of measurement in the United States" The following 98 pages are in this category, out of 98 total. This list may not reflect recent changes .