## Conversion formula How to convert 180 pounds to kilograms?

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

We deserve to erected a propercent to settle for the variety of kilograms.

You are watching: How many kilograms in 180 pounds

Now, we cross multiply to resolve for our unrecognized x:

xkg≈180lb1lb*0.45359237kg→xkg≈81.6466266kgConclusion:180lb≈81.6466266kg

## Convariation in the oppowebsite direction

The inverse of the convariation aspect is that **1 kilogram is equal to 0.0122479034547154 times 180 pounds**.

## Approximation

An approximate numerical result would be: **one hundred and also eighty pounds is around eighty-one suggest 6 5 kilograms**, or alternatively, *a kilogram is around zero suggest zero one times one hundred and also eighty pounds*.

## Units involved

This is how the systems in this convariation are defined:

### Pounds

The pound or pound-mass (abbreviations: lb, lbm for the majority of pounds) is a unit of mass offered in the imperial units, USA customary and also various other devices of measurement. A variety of various definitions have actually been provided, the many common today being the international avoirdupois pound which is legally characterized as precisely 0.45359237 kilograms, and which is divided into 16 avoirdupois ounces.<3> The worldwide standard symbol for the avoirdupois pound is lb.The unit is descended from the Roman libra (for this reason the abbreviation lb). The English word pound is cognate via, among others, Germale Pmoney, Dutch pond, and also Swedish pund. All inevitably derive from a borrowing into Proto-Germanic of the Latin expression lībra pondō a pound by weight, in which the word pondō is the ablative case of the Latin noun pondus.

Wikipedia web page of pounds### Kilograms

The kilogram is the base unit of mass in the Internationwide System of Units (the Metric system) and is characterized as being equal to the mass of the International Prototype of the Kilogram. The avoirdupois (or international) pound, supplied in both the royal and also US customary units, is characterized as exactly 0.45359237 kg, making one kilogram around equal to 2.2046 avoirdupois pounds. Other conventional systems of weight and also mass approximately the world are likewise characterized in terms of the kilogram, making the IPK the main traditional for practically all systems of mass on Earth.

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## Footnotes

<1> The precision is 15 significant digits (fourteenager digits to the best of the decimal point).