Conversion formula how to transform 20 pounds come kilograms?

We know (by definition) that:1⁢lb≈0.45359237⁢kg

We can set up a proportion to resolve for the variety of kilograms.

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1⁢lb20⁢lb≈0.45359237⁢kgx⁢kg

Now, us cross main point to deal with for ours unknown x:


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Conversion in opposing direction

The station of the conversion aspect is the 1 kilogram is same to 0.110231131092439 times 20 pounds.

It can additionally be to express as: 20 pounds is same to 1 0.110231131092439 kilograms.

Approximation

An approximate numerical an outcome would be: twenty pounds is around nine allude zero seven kilograms, or alternatively, a kilogram is around zero suggest one one time twenty pounds.


Units involved

This is exactly how the devices in this conversion room defined:

Pounds

The pound or pound-mass (abbreviations: lb, lbm for most pounds) is a unit of mass provided in the imperial units, United says customary and also other equipment of measurement. A variety of different meanings have to be used, the most common today being the international avoirdupois lb which is legally characterized as exactly 0.45359237 kilograms, and which is separated into 16 avoirdupois ounces.<3> The global standard symbol for the avoirdupois pound is lb.The unit is lower from the roman inn libra (hence the abbreviation lb). The English word pound is cognate with, among others, German Pfund, netherlands pond, and also Swedish pund. All ultimately derive native a borrowing into Proto-Germanic of the Latin expression lībra pondō a lb by weight, in which the word pondō is the ablative instance of the Latin noun pondus.

Wikipedia web page of pounds

Kilograms

The kilogram is the basic unit of massive in the worldwide System of systems (the Metric system) and is defined as being same to the fixed of the international Prototype of the Kilogram. The avoirdupois (or international) pound, offered in both the imperial and US customary systems, is characterized as precisely 0.45359237 kg, making one kilogram roughly equal come 2.2046 avoirdupois pounds. Other classic units that weight and also mass around the civilization are also defined in terms of the kilogram, making the IPK the major standard for essentially all systems of mass on Earth.

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Wikipedia page of kilograms

Footnotes

<1> The precision is 15 far-ranging digits (fourteen number to the appropriate of the decimal point).