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What is a pound in physics?

The pound is a measurement of mass used in the imperial system, and is accepted on a day-to-day basis as a unit of weight (the gravitational force acting on any given object). The imperial (avoirdupois, or international) pound is officially defined as 453.59237 grams.

What is a pound used for?

In the UK numerous different systems using the pound have co-existed, although the avoirdupois pound (also known as the wool pound) has been the most commonly used and long-lasting (abbreviated to lb av or lb avdp). One variation still used today is the Troy pound (approx. 373g), most often as a mass measurement for precious metals.

What is the international pound?

Since 1 July 1959, the international avoirdupois pound (symbol lb) has been defined as exactly 0.453 592 37 kg. In the United Kingdom, the use of the international pound was implemented in the Weights and Measures Act 1963.

What is 1 pound (lb) in kilograms (kg)?

1 pound (lb) is equal to 0.45359237 kilograms (kg). The mass m in kilograms (kg) is equal to the mass m in pounds (lb) times 0.45359237:

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