## Conversion formula exactly how to convert 180 pounds to kilograms?

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

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

You are watching: How many kg is 180 lbs

Now, us cross main point to resolve for our unknown x:

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

## Conversion in the opposite direction

The train station of the conversion element is that **1 kilogram is same to 0.0122479034547154 times 180 pounds**.

## Approximation

An almost right numerical result would be: **one hundred and eighty pounds is around eighty-one allude six 5 kilograms**, or alternatively, *a kilogram is about zero point zero one times one hundred and also eighty pounds*.

## Units involved

This is exactly how the units in this conversion space defined:

### Pounds

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

Wikipedia page of pounds### Kilograms

The kilogram is the basic unit of massive in the global System of systems (the Metric system) and also is characterized as being same to the mass of the global Prototype of the Kilogram. The avoirdupois (or international) pound, used in both the imperial and US customary systems, is defined as exactly 0.45359237 kg, making one kilogram about equal to 2.2046 avoirdupois pounds. Other traditional units that weight and also mass approximately the world are likewise defined in regards to the kilogram, do the IPK the primary standard for practically all units of fixed on Earth.

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## Footnotes

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