As of 2022-03-07, the Wikidata property UCUM code (P7825) is used on 1,725 items as main value on statements (not counting qualifiers) of the Q and P namespaces.

Closest properties: by cardinality of intersection, by Jaccard index.

Display properties of the following types:                                    

Closest properties by cardinality of intersection

IDLabelIntersection cardinalityJaccard index
P7007 Wolfram Language unit code 1,606
 0.6542
P8769 Ontology of units of Measure 2.0 unit ID 1,056
 0.5799
P6512 UN/CEFACT Common Code 734
 0.3927
P2968 QUDT unit ID 688
 0.3442
P3328 wurvoc.org measure ID 452
 0.2400
P646 Freebase ID 262
 0.0001
P4342 Store norske leksikon ID 216
 0.0028
P6366 Microsoft Academic ID 184
 0.0007
P2671 Google Knowledge Graph ID 149
 0.0000
P1417 Encyclopædia Britannica Online ID 112
 0.0006
P4732 IUPAC Gold Book ID 87
 0.0252
P2924 Great Russian Encyclopedia Online ID 82
 0.0016
P8855 IEV number 76
 0.0201
P10283 OpenAlex ID 66
 0.0006
P1245 OmegaWiki Defined Meaning 65
 0.0049
P1296 Gran Enciclopèdia Catalana ID 58
 0.0005
P3417 Quora topic ID 57
 0.0003
P1014 Art & Architecture Thesaurus ID 51
 0.0020
P4746 Elhuyar ZTH ID 44
 0.0053
P7818 French Vikidia ID 41
 0.0019
P7033 Australian Educational Vocabulary ID 30
 0.0030
P8814 WordNet 3.1 Synset ID 30
 0.0017
P2581 BabelNet ID 23
 0.0003
P227 GND ID 23
 0.0000
P3569 Cultureel Woordenboek ID 20
 0.0029
P2812 MathWorld identifier 18
 0.0029
P5063 Interlingual Index ID 17
 0.0016
P8189 National Library of Israel J9U ID 17
 0.0001
P244 Library of Congress authority ID 17
 0.0000
P8885 Namuwiki ID 16
 0.0033
P2892 UMLS CUI 16
 0.0006
P3365 Treccani ID 16
 0.0006
P3827 JSTOR topic ID 15
 0.0006
P7305 Online PWN Encyclopedia ID 15
 0.0004
P7827 Spanish Vikidia ID 14
 0.0043
P8313 Den Store Danske ID 14
 0.0004
P4839 Wolfram Language entity code 14
 0.0001
P6573 Klexikon article ID 13
 0.0030
P508 BNCF Thesaurus ID 13
 0.0007
P8408 KBpedia ID 13
 0.0003
P1645 NIST/CODATA ID 12
 0.0068
P3222 NE.se ID 12
 0.0003
P4215 nLab ID 11
 0.0019
P3553 Zhihu topic ID 9
 0.0006
P5064 World of Physics identifier 8
 0.0043
P9545 Encyclopedia of China Online Database ID 8
 0.0013
P7982 Hrvatska enciklopedija ID 8
 0.0003
P6771 Arabic Ontology ID 7
 0.0032
P7822 Italian Vikidia ID 7
 0.0027
P8834 MetaSat ID 7
 0.0022

Closest properties by Jaccard index

IDLabelIntersection cardinalityJaccard index
P7007 Wolfram Language unit code 1,606
 0.6542
P8769 Ontology of units of Measure 2.0 unit ID 1,056
 0.5799
P6512 UN/CEFACT Common Code 734
 0.3927
P2968 QUDT unit ID 688
 0.3442
P3328 wurvoc.org measure ID 452
 0.2400
P4732 IUPAC Gold Book ID 87
 0.0252
P8855 IEV number 76
 0.0201
P1645 NIST/CODATA ID 12
 0.0068
P4746 Elhuyar ZTH ID 44
 0.0053
P1245 OmegaWiki Defined Meaning 65
 0.0049
P5064 World of Physics identifier 8
 0.0043
P7827 Spanish Vikidia ID 14
 0.0043
P8885 Namuwiki ID 16
 0.0033
P6771 Arabic Ontology ID 7
 0.0032
P7033 Australian Educational Vocabulary ID 30
 0.0030
P6573 Klexikon article ID 13
 0.0030
P2812 MathWorld identifier 18
 0.0029
P3569 Cultureel Woordenboek ID 20
 0.0029
P4342 Store norske leksikon ID 216
 0.0028
P7822 Italian Vikidia ID 7
 0.0027
P8834 MetaSat ID 7
 0.0022
P1014 Art & Architecture Thesaurus ID 51
 0.0020
P4215 nLab ID 11
 0.0019
P7829 English Vikidia ID 5
 0.0019
P7818 French Vikidia ID 41
 0.0019
P8814 WordNet 3.1 Synset ID 30
 0.0017
P8984 CPV Supplementary 3
 0.0017
P2924 Great Russian Encyclopedia Online ID 82
 0.0016
P5063 Interlingual Index ID 17
 0.0016
P9123 Catalan Vikidia ID 3
 0.0014
P9545 Encyclopedia of China Online Database ID 8
 0.0013
P5445 Language Council of Norways termwiki ID 2
 0.0011
P4466 Unified Astronomy Thesaurus ID 3
 0.0011
P5398 TDKIV term ID 5
 0.0010
P6009 Techopedia ID 2
 0.0010
P829 OEIS ID 2
 0.0010
P1256 Iconclass notation 5
 0.0009
P7832 Basque Vikidia ID 2
 0.0008
P1051 PSH ID 6
 0.0008
P508 BNCF Thesaurus ID 13
 0.0007
P6366 Microsoft Academic ID 184
 0.0007
P10283 OpenAlex ID 66
 0.0006
P1417 Encyclopædia Britannica Online ID 112
 0.0006
P5082 Store medisinske leksikon ID 3
 0.0006
P2892 UMLS CUI 16
 0.0006
P3365 Treccani ID 16
 0.0006
P3553 Zhihu topic ID 9
 0.0006
P10260 AMS Glossary of Meteorology ID 1
 0.0006
P5610 OpenMath ID 1
 0.0006
P3827 JSTOR topic ID 15
 0.0006