Convert pound to kilogram
What is a pound?
A pound is an option for mass measurement that is known for centuries. The name itself has a Latin origin and means weight, bell or mass. The bell that was utilized determined the exact value of this option and therefore, in different countries and regions, pounds were different in meaning and range from 320 to 560 grams.
Even with such confusion, pounds were used as a standard option in many countries from 1747 to 1918. Later, they were replaced by grams and kilograms, for which the precise definition was determined.
Still, modern English-speaking countries often stick to pounds or lbs even nowadays. In this case, a pound is referred to as a unit equal to approximately 0.45 kg. European countries also have a metric pound that is taken as nearly 0.5 kg. This makes calculations and understanding easier but the resulting values are always not precise.
What is a kilogram?
A kilogram is a systematic unit for mass determination. It belongs to the basic options that are known and utilized worldwide and is equal to 1000 g.
To determine exactly what is 1 kg, scientists developed a special object in the XX century. It was a platinum and iridium cylinder with dimensions of 39 mm. It was set in France and copied for other countries to compare and determine masses.
Thus, until 2019, a kilogram was any subject with the same mass as this standard. However, it appeared that its value could change over time. Therefore, scientists decided to redefine kilograms and base a new definition on Planck's constant. This decision was realized in 2019.
Nowadays an old standard becomes a museum’s exhibit. Still, it changes basically nothing for ordinary users as the understanding of a kg and its relation to other units stays the same.
How to Convert pounds to kilograms
Mass and weight can be evaluated in both kilos and pounds. If the first option belongs to standard, the second one is traditional for English-speaking countries. Thus, one may need to convert lbs to kg, and for this, the following information is useful:
- 1 pound corresponds to 0.454 kg;
- vice versa 1 kilo gives 2.2046 of the first unit.
Therefore, there are two ways to transform pounds to kg, namely:
- Multiply the given number by 0.454.
- Divide it by 2.2046.
Thus, if the initial value is 5, it gives 5 / 2.2046 = 2.2679 or 5 x 0.454 = 2.27.
How many pounds in a kilogram
Each standard unit contains 2.2046 of a non-standard. This is a basic information for any lbs to kg transformation.
However, if you happen to forget it, an online lb to kg converter will solve the task quickly and correctly.
pound (lbs) | kilogram (kg) |
---|---|
0.01 lbs | 0.004535924 kg |
0.1 lbs | 0.045359237 kg |
1 lbs | 0.45359237 kg |
2 lbs | 0.90718474 kg |
3 lbs | 1.36077711 kg |
5 lbs | 2.26796185 kg |
10 lbs | 4.5359237 kg |
20 lbs | 9.0718474 kg |
50 lbs | 22.6796185 kg |
100 lbs | 45.359237 kg |
1000 lbs | 453.59237 kg |
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