Conversion formula how to transform 15 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.

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Now, we cross multiply to solve for our unknown x:




Conversion in the contrary direction

The train station of the conversion variable is that 1 kilogram is same to 0.146974841456585 times 15 pounds.


An almost right numerical result would be: fifteen pounds is around six point seven ripe kilograms, or alternatively, a kilogram is around zero suggest one five times fifteen pounds.

Units involved

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


The lb or pound-mass (abbreviations: lb, lbm for many pounds) is a unit of mass used in the royal units, United states customary and other equipment of measurement. A number of different definitions have to be used, the most typical today being the international avoirdupois pound which is legally identified as specifically 0.45359237 kilograms, and also which is divided into 16 avoirdupois ounces.<3> The worldwide 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, amongst others, German Pfund, netherlands pond, and also Swedish pund. All at some point derive from a borrowing right into Proto-Germanic of the Latin expression lībra pondō a lb by weight, in which words pondō is the ablative case of the Latin noun pondus.

Wikipedia web page of pounds


The kilogram is the base unit of mass in the international System of units (the Metric system) and also is defined as being same to the mass of the worldwide Prototype that the Kilogram. The avoirdupois (or international) pound, used 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 of weight and also mass around the human being are likewise defined in terms of the kilogram, make the IPK the primary standard for practically all units of fixed on Earth.

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Wikipedia page of kilograms


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