Measurement unit: pound

Full name: pound

Plural form: pounds

Symbol: lb

Alternate spelling: lbs

Category type: weight

Scale factor: 0.45359237




Similar units


SI unit: kilogram

The SI base unit for mass is the kilogram. The SI derived unit for weight or force is the newton.
1 kilogram is equal to 2.2046226218488 pound.



Convert pound to another unit

Convert pound to  

Valid units must be of the weight type.
You can use this form to select from known units:

Convert pound to  



Definition: Pound

The pound (abbreviation: lb) is a unit of mass or weight in a number of different systems, including English units, Imperial units, and United States customary units. Its size can vary from system to system. The most commonly used pound today is the international avoirdupois pound. The international avoirdupois pound is equal to exactly 453.59237 grams. The definition of the international pound was agreed by the United States and countries of the Commonwealth of Nations in 1958. In the United Kingdom, the use of the international pound was implemented in the Weights and Measures Act 1963. An avoirdupois pound is equal to 16 avoirdupois ounces and to exactly 7,000 grains.


Sample conversions: pound