The kilogram (also spelled kilogramme[1]) is the base unit of mass in the International System of Units (SI), equal to one thousand grams. It has the unit symbol kg. [1] The word "kilogram" is formed from …

Dec 24, 2025 · Kilogram, basic unit of mass in the metric system. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. It was once defined in …

Learn more about the unit of mass, kilogram and its definition. Find out how to convert kilograms to grams, milligrams, pounds, ounces and tons using examples.

Mar 30, 2011 · . Among the SI base units, the kilogram (kg) is the only one whose name and symbol, for historical reasons, include a prefix. "Kilo" the SI prefix for 1000 or 10 3. Names and symbols for …

Kilograms conversion calculators, tables and formulas to automatically convert from other weight units.

Kilogram A kilogram (kg) is the base unit of mass in the International System of Units (SI). For everyday purposes, the kilogram is also used as a unit of weight, even though it is actually a measurement of …

kilogram SI base unit Name Symbol Quantity kilogram kg mass The kilogram, symbol kg, is the SI base unit of mass. The kilogram is defined by taking the fixed numerical value of the Planck constant …

KILOGRAM meaning: 1. a unit of mass equal to 1,000 grams 2. a unit of mass equal to 1,000 grams 3. a unit of…. Learn more.

2 meanings: 1. one thousand grams 2. the basic SI unit of mass, equal to the mass of the international prototype held by the.... Click for more definitions.

The kilogram[b] is the base unit of mass in the International System of Units (SI). It is widely used in science, engineering, and commerce worldwide. The kilogram is close to the mass of one litre of water.