Conversion formula how to transform 100 pounds come kilograms?

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

We can set up a proportion to solve for the number of kilograms.

You are watching: 100 pounds is how many kilograms


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




Conversion in the opposite direction

The station of the conversion aspect is that 1 kilogram is same to 0.0220462262184878 time 100 pounds.

It can additionally be expressed as: 100 pounds is equal to 1 0.0220462262184878 kilograms.


An almost right numerical an outcome would be: one hundreds pounds is about forty-five suggest three 5 kilograms, or alternatively, a kilogram is about zero point zero two times one hundreds pounds.

Units involved

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


The pound or pound-mass (abbreviations: lb, lbm for many pounds) is a unit the mass supplied in the royal units, United claims customary and also other systems of measurement. A number of different meanings have to be used, the most common today gift the worldwide avoirdupois pound which is legally characterized as precisely 0.45359237 kilograms, and also which is divided into 16 avoirdupois ounces.<3> The global standard symbol for the avoirdupois pound is lb.The unit is lower from the roman libra (hence the abbreviation lb). The English word lb is cognate with, amongst others, German Pfund, dutch pond, and also Swedish pund. All at some point derive indigenous a borrowing into Proto-Germanic the the Latin expression lībra pondō a pound by weight, in which words pondō is the ablative instance of the Latin noun pondus.

Wikipedia web page of pounds


The kilogram is the base unit of fixed in the global System of units (the Metric system) and is identified as being equal to the fixed of the global Prototype that the Kilogram. The avoirdupois (or international) pound, supplied in both the imperial and also US customary systems, is identified as precisely 0.45359237 kg, make one kilogram roughly equal to 2.2046 avoirdupois pounds. Other timeless units of weight and also mass roughly the world are additionally defined in regards to the kilogram, make the IPK the major standard for basically all systems of mass on Earth.

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Wikipedia web page of kilograms


<1> The precision is 15 significant digits (fourteen number to the ideal of the decimal point).