Conversion formula exactly how to convert 120 pounds to kilograms?

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

We can collection up a relationship to deal with for the variety of kilograms.

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1⁢lb120⁢lb≈0.45359237⁢kgx⁢kg

Now, us cross multiply to settle for our unknown x:

x⁢kg≈120⁢lb1⁢lb*0.45359237⁢kg→x⁢kg≈54.4310844⁢kg

Conclusion:120⁢lb≈54.4310844⁢kg


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Conversion in the opposite direction

The train station of the conversion element is that 1 kilogram is equal to 0.0183718551820731 time 120 pounds.

It can also be to express as: 120 pounds is same to 1 0.0183718551820731 kilograms.

Approximation

An almost right numerical an outcome would be: one hundred and twenty pounds is about fifty-four suggest four two kilograms, or alternatively, a kilogram is about zero allude zero two times one hundred and twenty pounds.


Units involved

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

Pounds

The pound or pound-mass (abbreviations: lb, lbm for most pounds) is a unit that mass provided in the royal units, United claims customary and other equipment of measurement. A number of different meanings have been used, the most common today gift the global avoirdupois pound which is legally defined as specifically 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces.<3> The international standard symbol because that the avoirdupois lb is lb.The unit is lower from the roman libra (hence the abbreviation lb). The English word pound is cognate with, among others, German Pfund, dutch pond, and also Swedish pund. All at some point derive native a borrowing into Proto-Germanic of the Latin expression lībra pondō a pound 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 base unit of fixed in the worldwide System of devices (the Metric system) and also is characterized as being equal to the mass of the international Prototype that the Kilogram. The avoirdupois (or international) pound, used in both the imperial and US customary systems, is identified as specifically 0.45359237 kg, making one kilogram around equal to 2.2046 avoirdupois pounds. Other timeless units that weight and mass around the civilization are additionally defined in terms of the kilogram, do the IPK the primary standard for practically all systems of massive on Earth.

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Wikipedia web page of kilograms

Footnotes

<1> The precision is 15 far-reaching digits (fourteen digits to the ideal of the decimal point).