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  2. Comparison of the imperial and US customary measurement systems

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

    Wine was measured with units based on the wine gallon of 231 cubic inches (3.785 L), while beer was measured with units based on an ale gallon of 282 cubic inches (4.621 L) and grain was measured with the Winchester measure, with a gallon of approximately 268.8 cubic inches (one eighth of a Winchester bushel or 4.405 L). In 1824, these units ...

  3. Unit of volume - Wikipedia

    en.wikipedia.org/wiki/Unit_of_volume

    Unit of measure cubic metre litre Reference size Usage 1 cubic metre = 1 = 1000: base unit in SI 1 barrel = 0.158 987 294 928 = 158.987294928 = 42 US gallons = 9,702 cubic inches: e. g. for oil: 1 cubic foot = 0.028 316 846 592 = 28.316864592 = 1,728 cubic inches: 1 cubic decimetre = 0.001 = 1: 1 litre = 0.001 = 1: 1 gallon (US) = 0.003 785 411 ...

  4. Metric system - Wikipedia

    en.wikipedia.org/wiki/Metric_system

    The metric system is a system of measurement that standardizes a set of base units and a nomenclature for describing relatively large and small quantities via decimal-based multiplicative unit prefixes.

  5. Gallon - Wikipedia

    en.wikipedia.org/wiki/Gallon

    The gallon is a unit of volume in British imperial units and United States customary units.. The imperial gallon (imp gal) is defined as 4.546 09 litres, and is or was used in the United Kingdom and its former colonies, including Ireland, Canada, Australia, New Zealand, India, South Africa, Malaysia and some Caribbean countries, while the US gallon (US gal) is defined as 231 cubic inches (3. ...

  6. System of units of measurement - Wikipedia

    en.wikipedia.org/wiki/System_of_units_of_measurement

    A baby bottle that measures in three measurement systems—metric, imperial (UK), and US customary. Metric systems of units have evolved since the adoption of the first well-defined system in France in 1795. During this evolution the use of these systems has spread throughout the world, first to non-English-speaking countries, and then to ...

  7. Imperial units - Wikipedia

    en.wikipedia.org/wiki/Imperial_units

    The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.

  8. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    The U.S. government passed the Metric Conversion Act of 1975, which made the metric system "the preferred system of weights and measures for U.S. trade and commerce". The legislation states that the federal government has a responsibility to assist industry as it voluntarily converts to the metric system, i.e., metrification. This is most ...

  9. Water metering - Wikipedia

    en.wikipedia.org/wiki/Water_metering

    Water metering is the practice of measuring water use. Water meters measure the volume of water used by residential and commercial building units that are supplied with water by a public water supply system. They are also used to determine flow through a particular portion of the system.