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Kilogram

The kilogram (also spelled kilogramme) is the base unit of mass in the International System of Units (SI), equal to one thousand grams. It has the unit symbol kg. The word "kilogram" is formed from the combination of the metric prefix kilo- (meaning one thousand) and gram; it is commonly shortened to "kilo" (plural "kilos").

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Avoirdupois
≈ 2.2046 pounds[Note 1] · ≈ 35.274 oz
British Gravitational
≈ 0.0685 slugs
Symbol
kg
Unified atomic mass units
6.02214076×1026 Da
Unit of
mass
Unit system
SI

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Overview

Definition

Name and terminology

Redefinition based on fundamental constants

Usage and practical issues with SI mass units

Videos

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Kilogram

Nodes65
Edges64
Triples115
Avg. degree1.97
Density0.030769
Components1

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Kilogram

Top relations

related to External links · 39
Kilogram → Archived March, Are, Avogadro, BBC, BIPM, Bureau, Defining, Density, FAQ, Folio, France, Getting, Home, Ian, In, Institute, KilogramThe UK's National Physical, Laboratory, Mass, Measures
see also · 19
Kilogram → Decimal-based, Difference, EarthWeight, Electromechanical, Force, Fundamental, Inertia, Institute, Measurement, Newton, NIST, Physics, Quotient, Standard, Standards, Technology, Unit, United States, Weight
related to Name and terminology · 15
Kilogram → Decree, English, French, French National Convention, Germinal, Great Britain, Greek, In, Late Latin, SI, The, The French, UK, United Kingdom, United States
related to Timeline of previous definitions · 13
Kilogram → Archives, CGPM, General Conference, International Prototype, IPK, It, Measures, November, Planck, The, The Kilogramme, The Metre Convention, Weights
related to Redefinition based on fundamental constants · 11
Kilogram → CIPM, International Prototype, IPK, May, Measures, November, Planck, The, The International Committee, This, Weights
related to SI multiples · 3
Kilogram → Because, For, SI
Avoirdupois · 2
Kilogram → ≈ 2.2046 pounds[Note 1], ≈ 35.274 oz
is a · 2
Kilogram → only base SI unit with an SI prefix, SI base unit
related to Definition · 2
Kilogram → Planck, The
British Gravitational · 1
Kilogram → ≈ 0.0685 slugs

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Important terminology

mass defined unit si definition units terms constant one standard constants system planck kilogramme cgpm weight used international water kg

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
KilogramAvoirdupois≈ 2.2046 pounds[Note 1]1.00infobox
KilogramAvoirdupois≈ 35.274 oz1.00infobox
KilogramBritish Gravitational≈ 0.0685 slugs1.00infobox
KilogramSymbolkg1.00infobox
KilogramUnified atomic mass units6.02214076×1026 Da1.00infobox
KilogramUnit ofmass1.00infobox
KilogramUnit systemSI1.00infobox
Kilogramis aSI base unit0.90text
Kilogramis aonly base SI unit with an SI prefix0.90text
a Kibble balance as a primary standard for the kilogram mass.The kilogram was originally defined in 1795 during the French Revolution as the mass of one litre of waterinstance ofA properly equipped metrology laboratory can calibrate a mass measurement instrument0.80text
cheeseinstance ofis still used in parts of central Europe in retail for some foods0.80text
meat.The unit name megagram is rarely usedinstance ofis still used in parts of central Europe in retail for some foods0.80text

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