The term "kg" stands for kilogram, which is a unit of mass in the International System of Units (SI). One kilogram is defined as the mass of a specific platinum-iridium cylinder kept at the International Bureau of Weights and Measures. It is commonly used around the world to measure weight and mass in various contexts, such as in science, industry, and daily life. In practical terms, one kilogram is approximately equal to 2.2 pounds. It is often used to measure the weight of food, body mass, and other objects. The kilogram is a fundamental unit that helps standardize measurements, making it easier to compare and communicate information about mass globally.