Q:

What is 40 pounds in kilograms?

A:

Quick Answer

Forty pounds is equal to 18.1437 kilograms. There are 2.2046 pounds in a kilogram. To convert pounds to kilograms, divide the number of pounds by 2.2046.

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Full Answer

A kilogram is a unit of measurement for weight or mass. It is 1,000 grams. A kilogram was originally defined as the mass of 1 liter of water at 32 degrees Fahrenheit. In 1889, a platinum-iridium alloy block was manufactured to be used as the official prototype for the weight of a kilogram. The prototype is kept at the International Bureau of Weights and Measures located in France. Until 1799, the unit of 1,000 grams was called a grave.

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Related Questions

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    A:

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