Conversion formula how to convert 140 pounds come kilograms?

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

We can collection up a relationship to fix for the number of kilograms.

You are watching: What is 140 lbs in kg


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




Conversion in the contrary direction

The station of the conversion variable is the 1 kilogram is equal to 0.015747304441777 time 140 pounds.

It can likewise be to express as: 140 pounds is same to 1 0.015747304441777 kilograms.


An approximate numerical result would be: one hundred and forty pounds is around sixty-three allude five zero kilograms, or alternatively, a kilogram is about zero suggest zero 2 times one hundred and forty pounds.

Units involved

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


The lb or pound-mass (abbreviations: lb, lbm for many pounds) is a unit the mass supplied in the royal units, United states customary and also other equipment of measurement. A number of different meanings have to be used, the most common today gift the worldwide avoirdupois pound which is legally identified as exactly 0.45359237 kilograms, and also which is split into 16 avoirdupois ounces.<3> The international standard symbol for the avoirdupois lb is lb.The unit is descended from the roman inn libra (hence the abbreviation lb). The English word lb is cognate with, among others, German Pfund, dutch pond, and Swedish pund. All ultimately derive indigenous a borrowing into Proto-Germanic that 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


The kilogram is the base unit of massive in the global System of units (the Metric system) and also is identified as being same to the massive of the international Prototype of the Kilogram. The avoirdupois (or international) pound, provided in both the imperial and also US customary systems, is characterized as exactly 0.45359237 kg, make one kilogram around equal to 2.2046 avoirdupois pounds. Other traditional units the weight and mass roughly the world are additionally defined in regards to the kilogram, make the IPK the main standard for practically all systems of mass on Earth.

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Wikipedia page of kilograms


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