Conversion formula How to convert 5 pounds to kilograms?

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

We can set up a propercentage to settle for the variety of kilograms.

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




Conversion in the opposite direction


An approximate numerical outcome would be: 5 pounds is around two allude 2 salso kilograms, or alternatively, a kilogram is about zero suggest 4 4 times 5 pounds.

Units involved

This is exactly how the units in this conversion are defined:


The pound or pound-mass (abbreviations: lb, lbm for many pounds) is a unit of mass provided in the imperial units, USA customary and various other systems of measurement. A variety of various meanings have been provided, the many common now being the worldwide avoirdupois pound which is legally defined as precisely 0.45359237 kilograms, and which is split right into 16 avoirdupois ounces.<3> The global standard symbol for the avoirdupois pound is lb.The unit is descended from the Roguy libra (therefore the abbreviation lb). The English word pound is cognate via, among others, Gerguy Pfund, Dutch pond, and also Swedish pund. All eventually derive from a borrowing into Proto-Germanic of the Latin expression lībra pondō a pound by weight, in which the word pondō is the ablative instance of the Latin noun pondus.

Wikipedia page of pounds


The kilogram is the base unit of mass in the Internationwide System of Units (the Metric system) and is defined as being equal to the mass of the Internationwide Protoform of the Kilogram. The avoirdupois (or international) pound, provided in both the royal and also US customary units, is characterized as specifically 0.45359237 kg, making one kilogram roughly equal to 2.2046 avoirdupois pounds. Other typical systems of weight and also mass about the civilization are likewise characterized in terms of the kilogram, making the IPK the main traditional for virtually all systems of mass on Planet.

See more: What Weighs 500 Grams Around The House Hold Items? 12 Common Household Items That Weigh 500 Grams

Wikipedia page of kilograms


<1> The precision is 15 considerable digits (fourteenager digits to the best of the decimal point).