Conversion formula how to transform 125 pounds to kilograms?

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

We can set up a relationship to deal with for the variety of kilograms.

You are watching: How many kilograms in 125 pounds


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




Conversion in opposing direction

The station of the conversion factor is the 1 kilogram is same to 0.0176369809747902 times 125 pounds.

It can additionally be expressed as: 125 pounds is equal to 1 0.0176369809747902 kilograms.


An almost right numerical an outcome would be: one hundred and also twenty-five pounds is about fifty-six suggest seven zero kilograms, or alternatively, a kilogram is around zero suggest zero 2 times one hundred and also twenty-five pounds.

Units involved

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


The pound or pound-mass (abbreviations: lb, lbm for many pounds) is a unit the mass provided in the imperial units, United claims customary and also other equipment of measurement. A number of different meanings have to be used, the most common today being the global avoirdupois lb which is legally characterized as precisely 0.45359237 kilograms, and 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 inn libra (hence the abbreviation lb). The English word lb is cognate with, among others, German Pfund, netherlands pond, and Swedish pund. All at some point 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


The kilogram is the basic unit of mass in the global System of devices (the Metric system) and is identified as being same to the massive of the global Prototype the the Kilogram. The avoirdupois (or international) pound, used in both the imperial and US customary systems, is defined as specifically 0.45359237 kg, make one kilogram approximately equal come 2.2046 avoirdupois pounds. Other traditional units of weight and also mass about the human being are likewise defined in terms of the kilogram, make the IPK the main standard for practically all devices of massive on Earth.

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Wikipedia page of kilograms


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