Need of units
In ancient times, when progress started and people business in their city and countries they need to units for measurement of weight, mass, commerce, and other fields. and thus they make units according to your country but when their business and relation increases In worldwide they need a unit of a system that has been followed worldwide not by 2 to 3 countries, Anglo-Saxon countries, thanks to their insularity, were left with their complex system where they exist, so that the distance is measured in miles, yards, feet, and inches; the weight, in pounds, in ounces and stones, and the volumes, in pints or gallons. and the existence of two units makes a headache for all of them. so they all need to recover SI units.
The Anglo-Saxons are using the pound, however, it is claimed that this measure comes from Roman times. This is because the same name is designating different measures, this means that they do not have the same value.
A pound is a unit of weight commonly used in the United States and the British commonwealths. A pound is defined as exactly 0.45359237 kilograms. A weight and mass unit varies in different times and countries and a derived from the Germanic word pondo and used to measure the weight measurement like bakery items, newborn baby weight, etc.
A pound is a unit of measurement that is popular in the imperial system, most commonly used by the United States. To differentiate it from the currency of Great Britain, also known as the Pound, the unit of measure is often abbreviated as ‘lb’ or ‘lbs’. By international convention, there is only ‘lb’ and it does not have a plural form (ie ‘lbs’), although it has been gaining popularity in usage.
While the kilogram equals 1000 grams and the Si-based unit is introduced for mass and weight measurement and is commonly used worldwide except in US countries. it’s a purely unit measurement for the mass and denoted by Kg. The first standard used to define the kilogram was the mass of one liter of distilled water at one atmosphere of pressure and 3.98 ºC, the temperature at which water has the highest density at normal atmospheric pressure. However, due to its complexity, in 1889 the kilogram was redefined as an object. This object is considered the international prototype of the kilogram (IPK). but nowadays the kilogram lost his weight. yes, the kilogram is slim down many metrologies reached this point after great research that unit of the kilogram has decreased in mass by about 50 micrograms. The variation is very minimum but many other measurement units depend on kilogram like newton that measures the force or the ampere that measures the intensity of the current and that alternation must be increased in large-scale scientific investigations. The possibility of linking the kilogram to an unalterable physical quantity is being investigated, but until then, we will have to continue to consider the international prototype of the kilogram as the reference for the unit of mass.
Kilogram and pound
A kilogram (kg) is 2.2 times heavier than a pound (lbs) which means that one kilogram of mass is equal to 2.2 lbs.
A kilogram is the standard unit of weight measurement. One kilogram weighs 9.81 Newtons (N) or 2.21 pounds (lb).
The kilogram is not the weight of a person and, at the same time, it must be measured as a unit of mass.
Kilo (Kilogram) is purely a unit of measurement of mass. Whereas, the pound can be a unit of weight or a measure of force.
How to convert Kilograms to Pounds
1 kilogram (kg) is equal to 2.20462262185 pounds (lbs).
1 kg = 2.20462262185 lb
75 Kilograms = 165.34670 Pounds