# baseURI: http://qudt.org/2.1/vocab/prefix
# imports: http://qudt.org/2.1/schema/facade/qudt
@prefix dcterms: .
@prefix owl: .
@prefix prefix: .
@prefix qudt: .
@prefix rdf: .
@prefix rdfs: .
@prefix si-prefix: .
@prefix vaem: .
@prefix xsd: .
a owl:Ontology ;
vaem:hasGraphMetadata vaem:GMD_QUDT-PREFIXES ;
rdfs:label "QUDT VOCAB Decimal Prefixes Release 2.1.47" ;
owl:imports ;
owl:versionIRI ;
owl:versionInfo "Created with TopBraid Composer" ;
.
prefix:Atto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "\"atto\" is a decimal prefix for expressing a value with a scaling of \\(10^{-18}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Atto"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Atto?oldid=412748080"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-18 ;
qudt:siExactMatch si-prefix:atto ;
qudt:symbol "a" ;
qudt:ucumCode "a" ;
rdfs:isDefinedBy ;
rdfs:label "Atto"@en ;
.
prefix:Centi
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'centi' is a decimal prefix for expressing a value with a scaling of \\(10^{-2}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Centi-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Centi-?oldid=480291808"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-2 ;
qudt:siExactMatch si-prefix:centi ;
qudt:symbol "c" ;
qudt:ucumCode "c" ;
rdfs:isDefinedBy ;
rdfs:label "Centi"@en ;
.
prefix:Deca
a qudt:DecimalPrefix ;
a qudt:Prefix ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Deca"^^xsd:anyURI ;
qudt:exactMatch prefix:Deka ;
qudt:prefixMultiplier 1.0E1 ;
qudt:siExactMatch si-prefix:deca ;
qudt:symbol "da" ;
qudt:ucumCode "da" ;
rdfs:isDefinedBy ;
rdfs:label "Deca"@en ;
.
prefix:Deci
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "\"deci\" is a decimal prefix for expressing a value with a scaling of \\(10^{-1}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Deci-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Deci-?oldid=469980160"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-1 ;
qudt:siExactMatch si-prefix:deci ;
qudt:symbol "d" ;
qudt:ucumCode "d" ;
rdfs:isDefinedBy ;
rdfs:label "Deci"@en ;
.
prefix:Deka
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "deka is a decimal prefix for expressing a value with a scaling of \\(10^{1}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Deca"^^xsd:anyURI ;
qudt:exactMatch prefix:Deca ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Deca?oldid=480093935"^^xsd:anyURI ;
qudt:prefixMultiplier "10.0"^^xsd:double ;
qudt:siExactMatch si-prefix:deca ;
qudt:symbol "da" ;
qudt:ucumCode "da" ;
rdfs:isDefinedBy ;
rdfs:label "Deka"@en ;
.
prefix:Exa
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'exa' is a decimal prefix for expressing a value with a scaling of \\(10^{18}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Exa-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Exa-?oldid=494400216"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E18 ;
qudt:siExactMatch si-prefix:exa ;
qudt:symbol "E" ;
qudt:ucumCode "E" ;
rdfs:isDefinedBy ;
rdfs:label "Exa"@en ;
.
prefix:Exbi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{6}$, or $2^{60}$."^^qudt:LatexString ;
qudt:prefixMultiplier "152921504606846976.0"^^xsd:double ;
qudt:symbol "Ei" ;
rdfs:isDefinedBy ;
rdfs:label "Exbi"@en ;
.
prefix:Femto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'femto' is a decimal prefix for expressing a value with a scaling of \\(10^{-15}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Femto-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Femto-?oldid=467211359"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-15 ;
qudt:siExactMatch si-prefix:femto ;
qudt:symbol "f" ;
qudt:ucumCode "f" ;
rdfs:isDefinedBy ;
rdfs:label "Femto"@en ;
.
prefix:Gibi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{3}$, or $2^{30}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1073741824"^^xsd:double ;
qudt:symbol "Gi" ;
qudt:ucumCode "Gi" ;
rdfs:isDefinedBy ;
rdfs:label "Gibi"@en ;
.
prefix:Giga
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'giga' is a decimal prefix for expressing a value with a scaling of \\(10^{9}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Giga-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Giga-?oldid=473222816"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E9 ;
qudt:siExactMatch si-prefix:giga ;
qudt:symbol "G" ;
qudt:ucumCode "G" ;
rdfs:isDefinedBy ;
rdfs:label "Giga"@en ;
.
prefix:Hecto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'hecto' is a decimal prefix for expressing a value with a scaling of \\(10^{2}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Hecto-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Hecto-?oldid=494711166"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E2 ;
qudt:siExactMatch si-prefix:hecto ;
qudt:symbol "h" ;
qudt:ucumCode "h" ;
rdfs:isDefinedBy ;
rdfs:label "Hecto"@en ;
.
prefix:Kibi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024$, or $2^{10}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1024"^^xsd:double ;
qudt:symbol "Ki" ;
qudt:ucumCode "Ki" ;
rdfs:isDefinedBy ;
rdfs:label "Kibi"@en ;
.
prefix:Kilo
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "\"kilo\" is a decimal prefix for expressing a value with a scaling of \\(10^{3}\"\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Kilo"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Kilo?oldid=461428121"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E3 ;
qudt:siExactMatch si-prefix:kilo ;
qudt:symbol "k" ;
qudt:ucumCode "k" ;
rdfs:isDefinedBy ;
rdfs:label "Kilo"@en ;
.
prefix:Mebi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{2}$, or $2^{20}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1048576"^^xsd:double ;
qudt:symbol "Mi" ;
qudt:ucumCode "Mi" ;
rdfs:isDefinedBy ;
rdfs:label "Mebi"@en ;
.
prefix:Mega
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'mega' is a decimal prefix for expressing a value with a scaling of \\(10^{6}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Mega"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Mega?oldid=494040441"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E6 ;
qudt:siExactMatch si-prefix:mega ;
qudt:symbol "M" ;
qudt:ucumCode "M" ;
rdfs:isDefinedBy ;
rdfs:label "Mega"@en ;
.
prefix:Micro
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "\"micro\" is a decimal prefix for expressing a value with a scaling of \\(10^{-6}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Micro"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Micro?oldid=491618374"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-6 ;
qudt:siExactMatch si-prefix:micro ;
qudt:symbol "μ" ;
qudt:ucumCode "u" ;
rdfs:isDefinedBy ;
rdfs:label "Micro"@en ;
.
prefix:Milli
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'milli' is a decimal prefix for expressing a value with a scaling of \\(10^{-3}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Milli-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Milli-?oldid=467190544"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-3 ;
qudt:siExactMatch si-prefix:milli ;
qudt:symbol "m" ;
qudt:ucumCode "m" ;
rdfs:isDefinedBy ;
rdfs:label "Milli"@en ;
.
prefix:Nano
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'nano' is a decimal prefix for expressing a value with a scaling of \\(10^{-9}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Nano"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Nano?oldid=489001692"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-9 ;
qudt:siExactMatch si-prefix:nano ;
qudt:symbol "n" ;
qudt:ucumCode "n" ;
rdfs:isDefinedBy ;
rdfs:label "Nano"@en ;
.
prefix:Pebi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{5}$, or $2^{50}$."^^qudt:LatexString ;
qudt:prefixMultiplier "125899906842624"^^xsd:double ;
qudt:symbol "Pi" ;
rdfs:isDefinedBy ;
rdfs:label "Pebi"@en ;
.
prefix:Peta
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'peta' is a decimal prefix for expressing a value with a scaling of \\(10^{15}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Peta"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Peta?oldid=488263435"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E15 ;
qudt:siExactMatch si-prefix:peta ;
qudt:symbol "P" ;
qudt:ucumCode "P" ;
rdfs:isDefinedBy ;
rdfs:label "Peta"@en ;
.
prefix:Pico
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'pico' is a decimal prefix for expressing a value with a scaling of \\(10^{-12}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Pico"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Pico?oldid=485697614"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-12 ;
qudt:siExactMatch si-prefix:pico ;
qudt:symbol "p" ;
qudt:ucumCode "p" ;
rdfs:isDefinedBy ;
rdfs:label "Pico"@en ;
.
prefix:Quecto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'quecto' is a decimal prefix for expressing a value with a scaling of \\(10^{-30}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Quecto"^^xsd:anyURI ;
qudt:informativeReference "https://www.nist.gov/pml/owm/metric-si-prefixes"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-30 ;
qudt:siExactMatch si-prefix:quecto ;
qudt:symbol "q" ;
qudt:ucumCode "q" ;
rdfs:isDefinedBy ;
rdfs:label "Quecto"@en ;
.
prefix:Quetta
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'quetta' is a decimal prefix for expressing a value with a scaling of \\(10^{30}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Quetta"^^xsd:anyURI ;
qudt:informativeReference "https://www.nist.gov/pml/owm/metric-si-prefixes"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E30 ;
qudt:siExactMatch si-prefix:quetta ;
qudt:symbol "Q" ;
qudt:ucumCode "Q" ;
rdfs:isDefinedBy ;
rdfs:label "Quetta"@en ;
.
prefix:Ronna
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'ronna' is a decimal prefix for expressing a value with a scaling of \\(10^{27}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Ronna"^^xsd:anyURI ;
qudt:informativeReference "https://www.nist.gov/pml/owm/metric-si-prefixes"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E27 ;
qudt:siExactMatch si-prefix:ronna ;
qudt:symbol "R" ;
qudt:ucumCode "R" ;
rdfs:isDefinedBy ;
rdfs:label "Ronna"@en ;
.
prefix:Ronto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'ronto' is a decimal prefix for expressing a value with a scaling of \\(10^{-27}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Ronto"^^xsd:anyURI ;
qudt:informativeReference "https://www.nist.gov/pml/owm/metric-si-prefixes"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-27 ;
qudt:siExactMatch si-prefix:ronto ;
qudt:symbol "r" ;
qudt:ucumCode "r" ;
rdfs:isDefinedBy ;
rdfs:label "Ronto"@en ;
.
prefix:Tebi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^4}$, or $2^{40}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1099511627776"^^xsd:double ;
qudt:symbol "Ti" ;
qudt:ucumCode "Ti" ;
rdfs:isDefinedBy ;
rdfs:label "Tebi"@en ;
.
prefix:Tera
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'tera' is a decimal prefix for expressing a value with a scaling of \\(10^{12}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Tera"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Tera?oldid=494204788"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E12 ;
qudt:siExactMatch si-prefix:tera ;
qudt:symbol "T" ;
qudt:ucumCode "T" ;
rdfs:isDefinedBy ;
rdfs:label "Tera"@en ;
.
prefix:Yobi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{8}$, or $2^{80}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1208925819614629174706176"^^xsd:double ;
qudt:symbol "Yi" ;
rdfs:isDefinedBy ;
rdfs:label "Yobi"@en ;
.
prefix:Yocto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'yocto' is a decimal prefix for expressing a value with a scaling of \\(10^{-24}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Yocto-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Yocto-?oldid=488155799"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-24 ;
qudt:siExactMatch si-prefix:yocto ;
qudt:symbol "y" ;
qudt:ucumCode "y" ;
rdfs:isDefinedBy ;
rdfs:label "Yocto"@en ;
.
prefix:Yotta
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'yotta' is a decimal prefix for expressing a value with a scaling of \\(10^{24}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Yotta-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Yotta-?oldid=494538119"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E24 ;
qudt:siExactMatch si-prefix:yotta ;
qudt:symbol "Y" ;
qudt:ucumCode "Y" ;
rdfs:isDefinedBy ;
rdfs:label "Yotta"@en ;
.
prefix:Zebi
a qudt:BinaryPrefix ;
a qudt:Prefix ;
dcterms:description "A binary prefix for expressing a value with a scaling of $1024^{7}$, or $2^{70}$."^^qudt:LatexString ;
qudt:prefixMultiplier "1180591620717411303424"^^xsd:double ;
qudt:symbol "Zi" ;
rdfs:isDefinedBy ;
rdfs:label "Zebi"@en ;
.
prefix:Zepto
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'zepto' is a decimal prefix for expressing a value with a scaling of \\(10^{-21}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Zepto-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Zepto-?oldid=476974663"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E-21 ;
qudt:siExactMatch si-prefix:zepto ;
qudt:symbol "z" ;
qudt:ucumCode "z" ;
rdfs:isDefinedBy ;
rdfs:label "Zepto"@en ;
.
prefix:Zetta
a qudt:DecimalPrefix ;
a qudt:Prefix ;
dcterms:description "'zetta' is a decimal prefix for expressing a value with a scaling of \\(10^{21}\\)."^^qudt:LatexString ;
qudt:dbpediaMatch "http://dbpedia.org/resource/Zetta-"^^xsd:anyURI ;
qudt:informativeReference "http://en.wikipedia.org/wiki/Zetta-?oldid=495223080"^^xsd:anyURI ;
qudt:prefixMultiplier 1.0E21 ;
qudt:siExactMatch si-prefix:zetta ;
qudt:symbol "Z" ;
qudt:ucumCode "Z" ;
rdfs:isDefinedBy ;
rdfs:label "Zetta"@en ;
.
vaem:GMD_QUDT-PREFIXES
a vaem:GraphMetaData ;
dcterms:contributor "Jack Hodges" ;
dcterms:contributor "Michael Ringel" ;
dcterms:contributor "Ralph Hodgson" ;
dcterms:contributor "Simon J D Cox" ;
dcterms:contributor "Steve Ray" ;
dcterms:created "2020-07-15"^^xsd:date ;
dcterms:creator "Steve Ray" ;
dcterms:modified "2025-01-28T18:38:46Z"^^xsd:dateTime ;
dcterms:rights "The QUDT Ontologies are issued under a Creative Commons Attribution 4.0 International License (CC BY 4.0), available at https://creativecommons.org/licenses/by/4.0/. Attribution should be made to QUDT.org" ;
dcterms:subject "Prefixes" ;
dcterms:title "QUDT Prefixes Version 2.1Vocabulary" ;
vaem:description "The Prefixes vocabulary defines the prefixes commonly prepended to units to connote multiplication, either decimal or binary." ;
vaem:graphName "prefix" ;
vaem:graphTitle "QUDT Prefixes Version 2.1.47" ;
vaem:hasGraphRole vaem:VocabularyGraph ;
vaem:hasOwner ;
vaem:hasSteward ;
vaem:intent "Provides a vocabulary of prefixes for both human and machine use" ;
vaem:isMetadataFor ;
vaem:latestPublishedVersion "https://qudt.org/doc/2025/01/DOC_VOCAB-PREFIXES.html"^^xsd:anyURI ;
vaem:logo "https://qudt.org/linkedmodels.org/assets/lib/lm/images/logos/qudt_logo-300x110.png"^^xsd:anyURI ;
vaem:namespace "http://qudt.org/vocab/prefix/"^^xsd:anyURI ;
vaem:namespacePrefix "prefix" ;
vaem:owner "QUDT.org" ;
vaem:previousPublishedVersion "https://qudt.org/doc/2024/12/DOC_VOCAB-PREFIXES.html"^^xsd:anyURI ;
vaem:specificity 1 ;
vaem:turtleFileURL "http://qudt.org/2.1/vocab/prefix"^^xsd:anyURI ;
vaem:urlForHTML "http://qudt.org/2.1/vocab/prefix.html"^^xsd:anyURI ;
vaem:usesNonImportedResource dcterms:abstract ;
vaem:usesNonImportedResource dcterms:created ;
vaem:usesNonImportedResource dcterms:creator ;
vaem:usesNonImportedResource dcterms:modified ;
vaem:usesNonImportedResource dcterms:title ;
vaem:website "http://qudt.org/2.1/vocab/prefix.ttl"^^xsd:anyURI ;
rdfs:isDefinedBy ;
rdfs:label "QUDT Prefix Vocabulary Version Metadata 2.1.47" ;
.