Conversion formula just how to convert 15 pounds to kilograms?

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

We can set up a proportion to resolve for the variety of kilograms.

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1⁢lb15⁢lb≈0.45359237⁢kgx⁢kg

Now, we cross multiply to settle for ours unknown x:

x⁢kg≈15⁢lb1⁢lb*0.45359237⁢kg→x⁢kg≈6.80388555⁢kg

Conclusion:15⁢lb≈6.80388555⁢kg


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Conversion in opposing direction

The station of the conversion factor is that 1 kilogram is equal to 0.146974841456585 time 15 pounds.

Approximation

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


Units involved

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

Pounds

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

Wikipedia web page of pounds

Kilograms

The kilogram is the basic unit of fixed in the worldwide System of systems (the Metric system) and also is identified as being same to the mass of the global Prototype that the Kilogram. The avoirdupois (or international) pound, offered in both the imperial and also US customary systems, is defined as precisely 0.45359237 kg, make one kilogram around equal to 2.2046 avoirdupois pounds. Other classic units of weight and mass around the world are also defined in regards to the kilogram, make the IPK the main standard for practically all devices of fixed on Earth.

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Wikipedia page of kilograms

Footnotes

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