Property talk:P2876

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type of unit for this property
units for this property are all instances of this item

Data type	Item
Domain	Wikidata property for quantities (Q52513243) or Wikidata property related to time and duration (Q51077473)
Allowed values	subclasses of unit of measurement (Q47574), currency (Q8142) (note: this should be moved to the property statements)
Example	price (P2284) → currency (Q8142) duration (P2047) → unit of time (Q1790144) length (P2043) → unit of length (Q1978718)
See also	class of non-item property value (P10726)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P2876 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 106 Main statement 77 72.6% of uses Qualifier 27 25.5% of uses Reference 2 1.9% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “Wikidata property for quantities (Q52513243), Wikidata property related to time and duration (Q51077473)”: item must contain property “instance of (P31)” with classes “Wikidata property for quantities (Q52513243), Wikidata property related to time and duration (Q51077473)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2876#Type Q52513243, Q51077473, hourly updated report, SPARQL

Value type “unit of measurement (Q47574), currency (Q8142)”: This property should use items as value that contain property “subclass of (P279)”. On these, the value for subclass of (P279) should be an item that uses subclass of (P279) with value unit of measurement (Q47574), currency (Q8142) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2876#Value type Q47574, Q8142, SPARQL

Item “Wikidata property example (P1855)”: Items with this property should also have “Wikidata property example (P1855)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2876#Item P1855, search, SPARQL

Item “Wikidata item of this property (P1629)”: Items with this property should also have “Wikidata item of this property (P1629)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2876#Item P1629, search, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2876#Scope, SPARQL

Qualifiers “reason for deprecated rank (P2241), reason for preferred rank (P7452)”: this property should be used only with the listed qualifiers. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2876#allowed qualifiers, hourly updated report, SPARQL

Allowed entity types are Wikibase property (Q29934218): the property may only be used on a certain entity type (Help)

List of violations of this constraint: Database reports/Constraint violations/P2876#Entity types, hourly updated report

Item “property constraint (P2302)”: Items with this property should also have “property constraint (P2302)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P2876#Item P2302, hourly updated report, search, SPARQL

This property is being used by: eo:Ŝablono:Informkesto premio Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Conversion of units

Note that even with the same type of unit for two or more properties, it might not be possible to convert between them. This problem is most common with historical units, where conversion between some units from the same time period is known, but it is not known how those units refers to modern time units. One such unit is Q10631816, with various sources using 200–500 meter, even if it is known to be 240 Q19381000. Jeblad (talk) 23:36, 8 September 2019 (UTC)