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  2. Short ton - Wikipedia

    en.wikipedia.org/wiki/Short_ton

    The short ton (abbreviation tn[ 1 ]) is a measurement unit equal to 2,000 pounds (907.18 kg). It is commonly used in the United States, where it is known simply as a ton;[ 1 ] however, the term is ambiguous, the single word " ton " being variously used for short, long, and metric tons. The various tons are defined as units of mass. [ 2 ]

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

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

    The imperial system has a hundredweight, defined as eight stone of 14 lb each, or 112 lb (50.80234544kg), whereas a US hundredweight is 100 lb (45.359237kg). In both systems, 20 hundredweights make a ton. In the US, the terms long ton (2240 lb, 1016.0469088kg) and short ton (2000 lb; 907.18474kg) are used. The metric ton is the name used for ...

  4. Cubic yard - Wikipedia

    en.wikipedia.org/wiki/Cubic_yard

    0.7645549 m 3. Imperial and US customary. 27 ft 3. A cubic yard (symbol yd3) [1] is an Imperial / U.S. customary (non- SI non- metric) unit of volume, used in Canada and the United States. It is defined as the volume of a cube with sides of 1 yard (3 feet, 36 inches, 0.9144 meters) in length.

  5. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    The cubic inch, cubic foot and cubic yard are commonly used for measuring volume. In addition, there is one group of units for measuring volumes of liquids (based on the wine gallon and subdivisions of the fluid ounce), and one for measuring volumes of dry material, each with their own names and sub-units.

  6. Imperial and US customary measurement systems - Wikipedia

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

    In international trade, the ton of 2240 pounds was often referred to as the "long ton" and the ton of 2000 pounds as the "short ton". When using customary units, it is usual to express body weight in pounds, but when using imperial units, to use stones and pounds. [70] [citation not found]

  7. History of measurement - Wikipedia

    en.wikipedia.org/wiki/History_of_measurement

    Detail of a cubit rod in the Museo Egizio of Turin The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for ...

  8. Dragline excavator - Wikipedia

    en.wikipedia.org/wiki/Dragline_excavator

    Dragline excavator. Built by Bucyrus-Erie in 1969, Big Muskie was the world's largest ever dragline, being 487 ft (148 m) in length, weighing some 13,500 short tons (12,247 t), and hoisting a 220 cu yd (168.2 m 3) bucket that could move 325 short tons (295 t) of material at a pass. A dragline excavator is a heavy-duty excavator used in civil ...

  9. Metrication in the United States - Wikipedia

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

    A shampoo label from the U.S. that shows a round metric quantity taking secondary status in parentheses next to non-integer U.S. customary quantity. 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 ...