Pound (mass) - Wikipedia
Instant free online tool for pound to kilogram conversion or vice versa. The pound [lbs] to kilogram [kg] conversion table and conversion steps are also listed. The equivalence for the pound was given as 1 lb g or kg, which made the kilogram equivalent to. Pounds to Kilograms (lbs to kg) conversion calculator. Click here for online weight conversions with additional tables, formulas and information.
The international avoirdupois pound the common pound used today is defined as exactly 0. The avoirdupois pound is equivalent to 16 avoirdupois ounces. The pound descended from the Roman libra, and numerous different definitions of the pound were used throughout history prior to the international avoirdupois pound that is widely used today.
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The avoirdupois system is a system that was commonly used in the 13th century. It was updated to its current form in It is a system that was based on a physical standardized pound that used a prototype weight.
This prototype weight could be divided into 16 ounces, a number that had three even divisors 8, 4, 2. This convenience could be the reason that the system was more popular than other systems of the time that used 10, 12, or 15 subdivisions.
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The pound as a unit of weight is widely used in the United States, often for measuring body weight. Many versions of the pound existed in the past in the United Kingdom UKand although the UK largely uses the International System of Units, pounds are still used within certain contexts, such as labelling of packaged foods by law the metric values must also be displayed.
The UK also often uses both pounds and stones when describing body weight, where a stone is comprised of 14 pounds.[EASY] How to convert lbs to kg
It is currently defined as being equal to the mass of the International Prototype of the Kilogram IPKa cylinder made of a platinum-iridium alloy.
The name kilogram was derived from the French "kilogramme," which in turn came from adding Greek terminology meaning "a thousand," before the Late Latin term "gramma" meaning "a small weight.
SI is a system based on the meter-kilogram-second system of units rather than a centimeter-gram-second system. This is at least in part due to the inconsistencies and lack of coherence that can arise through use of centimeter-gram-second systems, such as those between the systems of electrostatic and electromagnetic units. This was a form of official metric pound. It was abolished as a unit of mass effective 1 January by a decree of 4 July but is still used informally.
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German and Austrian Pfund[ edit ] Originally derived from the Roman libra, the definition varied throughout Germany in the Middle Ages and onward. The measures and weights of the Habsburg monarchy were reformed in by Empress Maria Theresia of Austria.
Bavarian reforms in and adopted essentially the same standard pound. In Prussiaa reform in defined a uniform civil pound in terms of the Prussian foot and distilled water, resulting in a Prussian pound of Between andall German regions west of the River Rhine were French, organised in the departements: As a result of the Congress of Vienna, these became part of various German states.
However, many of these regions retained the metric system and adopted a metric pound of precisely grams. Inthe pound of grams also became the official mass standard of the German Customs Unionbut local pounds continued to co-exist with the Zollverein pound for some time in some German states. Nowadays, the term Pfund is still in common use and universally refers to a pound of grams.
It is equal to From the 17th century onward, it was equal to In Norway, the same name was used for a weight of In Denmark, it equalled grams. In the 19th century, Denmark followed Germany's lead and redefined the pound as grams. Jersey pound[ edit ] A Jersey pound is an obsolete unit of mass used on the island of Jersey from the 14th century to the 19th century.