In today's world this unit, as the pound is associated primarily with English-speaking countries - England, USA. But it was not always so.
By the pound is not its origin exclusively in English.
unit name is pronounced"Pound" in the Russian language, in English as it sounds a bit different - pound. There is a name from the Latin words pondus, which means "weight" - a device for measuring the weight, because it is measured in pounds weight.
What existed pounds
In the Middle Ages they used the pound, not only inBritain but also in France and all other European countries, but to call this unit accepted it was impossible. This was the era of feudal fragmentation, each feudal lord established in his possession in their own rules, which concerned the system and measures. Common standards did not exist, I had a pound in each county.
This state of affairs continued in modern times,even to the beginning of the XVIII century in Europe, there were about 100 different pounds. With regard to the time, translating pound in any other unit of weight, you should first ask about what exactly pound question: London, Carolingian, or some other? For example, the Austrian pound was equal to 0.56 kg, Spanish - 0.451 kg, Swedish - 0.425 kg, Amsterdam - 0.494, and the Venetian - 0.477. Today, these differences have implications for the study of historical documents, but for people far from science - reading historical novels. different weight may mean by the pound, depending on the country in which the action takes place.
There was even a Russian pound. More precisely, those were two: the Russian merchant pound weight and apothecary pound. Apothecary was equal to 0.358322 kg, and the weight of a pound shopping - a little more than 0.5 kg.
In today's world, speaking about a pound, have in mindthe unit of measure that is included in the English system of measures. This system is still in use in the UK and the US along with the metric, although it is gradually replaced.
Pound in the system is equal to 453.59237 g For ease of calculation the number is usually rounded to 454 grams, or 0.454 kg. Thus, if the mass is given in pounds, you have to multiply it by 0,454 - and gain weight in kilograms. Of course, equality is only an approximation, but at home the accuracy of thousandths of a gram and is not required. For example, approximately three pounds are equal to 1 362 kg
If we talk about the relationship with other poundsunits in the English system of measures, it is equivalent to 16 ounces and 7000 Grand Prix. Accordingly, an ounce is approximately 28.35 grams and grand - about 64.8 mg.