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The kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo colloquially. It means 'one thousand grams'.
Apr 25, 2024 · Learn about the kilogram, the basic unit of mass in the metric system, and how it was redefined in 2018 based on Planck's constant. Find out the difference between kilogram and kilopascal, and the conversion factors for common units of pressure.
- The Editors of Encyclopaedia Britannica
Learn how to convert kilograms (kg) to pounds (lb) using a simple formula and a calculator. Find out the definition, usage, and conversion table of both units of mass.
Use this online tool to convert kilogram (kg) to pound (lbs) or vice versa. Learn the definitions, history, and conversion formulas of these units of mass.
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May 14, 2018 · Learn how the kilogram (kg), the SI unit of mass, was redefined in 2018 based on a constant of nature, and how NIST disseminates and calibrates mass standards. Explore the history and challenges of mass measurement, from the platinum-iridium cylinder to the Planck constant.
The kilogram is the base unit of mass in the International System of Units (SI), having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo colloquially. It means 'one thousand grams'.