Conversion formula how to transform 170 pounds come kilograms?

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

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

You are watching: How many kilos is 170 pounds


Now, us cross multiply to deal with for ours unknown x:




Conversion in the contrary direction

The inverse of the conversion variable is that 1 kilogram is same to 0.0129683683638163 time 170 pounds.

It can also be expressed as: 170 pounds is equal to 1 0.0129683683638163 kilograms.


An approximate numerical result would be: one hundred and seventy pounds is around seventy-seven suggest one zero kilograms, or alternatively, a kilogram is around zero allude zero one times one hundred and also seventy pounds.

Units involved

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


The lb or pound-mass (abbreviations: lb, lbm for many pounds) is a unit of mass offered in the imperial units, United says customary and also other equipment of measurement. A variety of different interpretations have been used, the most typical today being the global avoirdupois pound which is legally identified as exactly 0.45359237 kilograms, and which is split into 16 avoirdupois ounces.<3> The international standard symbol because that the avoirdupois lb is lb.The unit is lower from the roman libra (hence the abbreviation lb). The English word lb is cognate with, among 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 basic unit of mass in the global System of devices (the Metric system) and also is characterized as being same to the fixed of the worldwide Prototype of the Kilogram. The avoirdupois (or international) pound, used in both the imperial and also US customary systems, is defined as specifically 0.45359237 kg, make one kilogram around equal to 2.2046 avoirdupois pounds. Other classic units that weight and also mass approximately the world are likewise defined in terms of the kilogram, make the IPK the main standard for practically all units of fixed on Earth.

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Wikipedia page of kilograms


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