Convert Kilogram to Pound
Kilogram
Definition: A kilogram (symbol: kg) is the base unit of mass in the International System of Units (SI), defined by taking the fixed numerical value of the Planck constant (h) to be 6.62607015×10⁻³⁴ when expressed in joule seconds.
History/Origin: Introduced in France in 1795 as part of the metric system, originally defined as the mass of one liter of water. Redefined in 2019 based on fundamental physical constants for greater precision.
Current Use: Used worldwide as the standard unit for measuring mass in science, industry, commerce, and everyday life.
Pound
Definition: A pound (symbol: lb) is a unit of mass used in the Imperial and U.S. customary systems, defined as exactly 0.45359237 kilograms.
History/Origin: Originated from the Roman 'libra', a unit of weight, and was standardized through the British Imperial system in 1824 and later internationally in 1959.
Current Use: Used mainly in the United States, United Kingdom, and other countries that still use Imperial units for body weight, food, and goods.