The kilogram (also spelled kilogramme [1]) is the base unit of mass in the International System of Units (SI), having the unit symbol kg. [1] The word "kilogram" is formed from the combination of the metric prefix kilo-(meaning one thousand) and gram; [2] it is colloquially shortened to "kilo" (plural "kilos"). [3]The kilogram is an SI base unit, defined ultimately in terms of three defining ...

As of May 20, 2019, the definition of the kilogram is based on the Planck constant as 6.626 070 15 × 10 −34 kg⋅m 2 ⋅s −1. [1] [2] There are attempts to define the kilogram in other ways.One example specifies a number of atoms of a certain substance (at a certain temperature). One kilogram is a little more than 2.2 pounds.One tonne is one thousand kilograms.

May 14, 2018 · For more than a century, the kilogram (kg) — the fundamental unit of mass in the International System of Units (SI) — was defined as exactly equal to the mass of a small polished cylinder, cast in 1879 of platinum and iridium.. Kept in a triple-locked vault on the outskirts of Paris, the platinum-iridium cylinder was officially called the International Prototype of …

The meaning of KILOGRAM is the base unit of mass in the International System of Units that is defined by setting the fixed numerical value of Planck's constant to 6.62607015 x 10—34 joule seconds. How to use kilogram in a sentence. Did you know?

Das Kilogramm (im allgemeinen Sprachgebrauch auch der oder das Kilo) [1] ist die im internationalen Einheitensystem (SI) verwendete kohärente Maßeinheit für die Masse. Das Einheitenzeichen des Kilogramms ist kg.

1. Abbr. kg The base unit of mass in the International System, equal to 1,000 grams (2.2046 pounds). See Table at measurement.

The international prototype of the kilogram . The international prototype of the kilogram is a cylinder 39 mm in height and 39 mm in diameter. It consists of an alloy of 90 % platinum and 10 % iridium (density of appr. 21500 kg/m3) and is maintained at the International Bureau of Weights and Measures (BIPM) in Sèvres near Paris.

Mar 29, 2025 · German: Kilogramm n Greek: χιλιόγραμμο (el) n ( chiliógrammo ) , κιλό (el) n ( kiló ) , Gujarati: કિલોગ્રામ ( kilogrām )

KILOGRAM definition: 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.

3 meanings: → another name for kilogram 1. one thousand grams 2. the basic SI unit of mass, equal to the mass of the.... Click for more definitions.