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  2. Gallon - Wikipedia

    en.wikipedia.org/wiki/Gallon

    The wine gallon, which some sources relate to the volume occupied by eight medieval merchant pounds of wine, was at one time defined as the volume of a cylinder 6 inches deep and 7 inches in diameter, i.e. 6 in × (⁠3 + 1 / 2 ⁠ in) 2 × π ≈ 230.90706 cubic inches.

  3. Volume - Wikipedia

    en.wikipedia.org/wiki/Volume

    Volume is a measure of regions in three-dimensional space. [1] It is often quantified numerically using SI derived units (such as the cubic metre and litre) or by various imperial or US customary units (such as the gallon, quart, cubic inch). The definition of length and height (cubed) is interrelated with volume

  4. Unit of volume - Wikipedia

    en.wikipedia.org/wiki/Unit_of_volume

    A unit of volume is a unit of measurement for measuring volume or capacity, ... = 42 US gallons = 9,702 cubic inches: e. g. for oil: 1 cubic foot = 0.028 316 846 592

  5. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    For newer types of measurement where there is no ... to British 1824 definition of 1 imperial gallon (4. ... half gallons, and gallons. Water volume for sinks ...

  6. Imperial and US customary measurement systems - Wikipedia

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

    The unit of volume, the gallon, has different values in the United States and in the United Kingdom – the US fluid gallon being about 0.83 imperial gallons and the US dry gallon being about 0.97 imperial gallons. The US fluid gallon was based on the wine gallon used in England prior to 1826.

  7. Bushel - Wikipedia

    en.wikipedia.org/wiki/Bushel

    The Winchester bushel is the volume of a cylinder 18.5 in (470 mm) in diameter and 8 in (200 mm) high, which gives an irrational number, of approximately 2150.4202 cubic inches. [4] The modern American or US bushel is rounded to exactly 2150.42 cubic inches, a difference of less than one part per ten million.

  8. Imperial units - Wikipedia

    en.wikipedia.org/wiki/Imperial_units

    The Weights and Measures Act 1824 invalidated the various different gallons in use in the British Empire, declaring them to be replaced by the statute gallon (which became known as the imperial gallon), a unit close in volume to the ale gallon. The 1824 act defined as the volume of a gallon to be that of 10 pounds (4.54 kg) of distilled water ...

  9. Barrel (unit) - Wikipedia

    en.wikipedia.org/wiki/Barrel_(unit)

    In the United States, the 42 US-gallon size as a unit of measure is largely confined to the oil industry, while different sizes of barrel are used in other industries. Nearly all other countries use the metric system. Thus, the 42 US-gallon oil barrel is a unit of measure rather than a physical container used to transport crude oil.