(1) One thousand grams; the basic unit of mass adopted under the Systeme International d'Unites
"A kilogram is approximately 2.2 pounds"
- In the International System of Units, the base unit of mass; the mass of a specific cylinder of platinum-iridium alloy kept at the International Bureau of Weights and Measures in France. Symbol: kg
- Hence, the unit of weight such that one-kilogram mass is also a one-kilogram weight.