To clarify the question of how many kg per pound, as well as from general gave the name "pound", we have to go to ancient Rome.
were used in Rome two names to refer to a small weight.To indicate the weight of precious metals and coins already minted use the word "Libra".The weight of other substances measured in pounds.Let us consider each of the signs and find out how much a pound kilogram, grams and ounces.
Probably most of us first association with the word "pound" will "pound".Obviously, the answer to the question "how many kg per pound" we are unlikely to find here, but it is an expression of our common everyday life more often and unjustly deprive his attention.
Pound Sterling is still the currency of the United Kingdom, some of its former colonies, and is denoted Latin letter L.It is easy to guess that this is because the name is derived from the Latin name of weight "Libra".As already mentioned, the Roman Empire libra used to the weight of mainly precious metals.Libra equal to 327.45 grams and consisted of 12 ounces each of which, in turn, was about 27 grams.
Oz is still in vogue.They range from 28 (fluid ounce) to 31 grams - the so-called "troy ounce."Last in the course of the jewelers and bankers.Fluid ounce is still in demand among pharmacists and producers of food.
Pound sterling was originally a libra coin of pure silver.Then, with the development of the monetary system, banknotes and coins were in no way connected with the mass of silver that went to their production.The memory of Rome remained the primary source except perhaps in the form of notation - the Latin letter L.
In Russia Libre was tied to the spool.Probably everyone has heard the adage about what the spool is small, but expensive.Indeed, the valve was small and amounted to about 4 grams of gold or 1/96 Libre.So call and a small gold coin of Kievan Rus.
Pound - other Roman unit of weight, used to determine the mass of all the other substances.And the answer to the question "how many kg per pound" should be addressed to her.
Rome pound as Libra, amounted to 327 grams.But in medieval Europe, each more or less significant area The sovereign gentlemen had the right to set the value of the pound in its sole discretion.And it should be noted that they actively use this right, deriving from the answer to the question "how many kg per pound" maximum benefit for themselves.
in Europe in the late eighteenth century, there were at least 100 different pounds.Their values are rather strongly differ from each other.For example, the Austrian pound was equal to 560 grams, and Spanish - French 450 lb-called "livre", equaled 490 grams and also original, as well as the British pound sterling was used to refer to measures of weight silver coins.In Russia, the pound was equal to 409 grams, and its standard established himself DIMendeleev.
It is obvious that such a variety of measures of weight notations created a lot of inconvenience.Therefore, the metric system, with its kilograms and grams, was a great way out.
But it would be unfair to forget the pound.So now, after the adoption of the metric system, we can definitely say how many kg per pound.Today the pound default equated to 500 grams.
