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International System of Units

The International System of Units, internationally known by the abbreviation SI (from its official French name, Système international d'unités), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in…

History, Measurement & Science

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Overview

Definition

Lexicographic conventions

Realisation of units

Organisational status

History

Related units

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Map overview Semantic statistics

International System of Units

Nodes127
Edges126
Triples63
Avg. degree1.98
Density0.015748
Components1

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International System of Units

Top relations

related to Controlling authority · 27
International System of Units → All, American English, BIPM, CGPM, CIPM, English, English-language, For, French, General Conference, International Bureau, International Committee, Measures, Metre Convention, NIST, NIST SP, SI, SI Brochure, Standards, Technology
related to Birth of the SI · 13
International System of Units → BIPM, CGPM, French, In, International System, Kelvin, Le Système, Measures, SI, The, The International Bureau, Units, Weights
related to Organisational status · 10
International System of Units → Canada, Nevertheless, SI, The, The International System, The SI, United Kingdom, United States, Units, US
related to Metric units not recognised by SI · 6
International System of Units → Although, International System, Most, SI, There, Units
related to Definition · 2
International System of Units → The International System, Units

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Important terminology

units si unit system coherent base international derived metre quantities used example metric kilogram symbol one prefixes defining symbols measurement

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
c to the purely technical constant Kcdinstance ofThe nature of the defining constants ranges from fundamental constants of nature0.80text
acoustic gas thermometryinstance ofBoth the Kibble balance and the Avogadro project should be included in the experiments and any differences between these be reconciled.The definition of the kelvin measured with…0.80text
dielectric constant gas thermometry be better than one part in 10instance ofBoth the Kibble balance and the Avogadro project should be included in the experiments and any differences between these be reconciled.The definition of the kelvin measured with…0.80text
the sverdrupinstance ofThere are also individual metric units0.80text
the darcy that exist outside of any system of unitsinstance ofThere are also individual metric units0.80text
International System of Unitsrelated to Birth of the SIThe0.60section
International System of Unitsrelated to Birth of the SICGPM0.60section
International System of Unitsrelated to Birth of the SIInternational System0.60section
International System of Unitsrelated to Birth of the SIUnits0.60section
International System of Unitsrelated to Birth of the SISI0.60section
International System of Unitsrelated to Birth of the SIFrench0.60section
International System of Unitsrelated to Birth of the SILe Système0.60section

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