Property talk:P2386

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diameter
diameter of a circular or spherical object
Representsdiameter (Q37221)
Data typeQuantity
Template parameter"leadingdiameter", "drivingdiameter" and "trailingdiameter" in en:Template:Infobox locomotive; "diameter" in en:Template:Infobox building; etc
Domaincircular or spherical objects (note: this should be moved to the property statements)
Allowed values
According to this template: positive numbers with units of length
According to statements in the property:
0 ≤ 𝓧 ≤ not applicable
When possible, data should only be stored as statements
Allowed unitsInstances of: unit of length
metre (Q11573), inch (Q218593), foot (Q3710), centimetre (Q174728), kilometre (Q828224), millimetre (Q174789) or light-year (Q531)
ExampleLondon Eye (Q160659) → 120 metre
association football ball (Q12252328) → 21.96 centimetre
Earth (Q2) → 12,742 kilometre
Sourceexternal reference, Wikipedia list article, etc. (note: this information should be moved to a property statement; use property source website for the property (P1896))
Robot and gadget jobsimport from infoboxes
Tracking: sameno label (Q32085165)
Tracking: usageCategory:Pages using Wikidata property P2386 (Q21926730)
Tracking: local yes, WD nono label (Q32069455)
See alsoradius (P2120), length (P2043), perimeter (P2547), angular diameter (P5348), graph diameter (P7462)
Lists
Proposal discussionProposal discussion
Current uses
Total67,009
Main statement66,63299.4% of uses
Qualifier3760.6% of uses
Reference1<0.1% of uses
[create Create a translatable help page (preferably in English) for this property to be included here]
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/P2386#Units
Range from “0” to “+∞”: values should be in the range from “0” to “+∞”. (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/P2386#Range
Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (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/P2386#Entity types
Scope is as main value (Q54828448), as qualifier (Q54828449): 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/P2386#Scope, SPARQL
Conflicts with “instance of (P31): graph (Q141488)”: this property must not be used with the listed properties and values. (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/P2386#Conflicts with P31, SPARQL
This property is being used by:

Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Why a Range Constraint problem?[edit]

I'm not sure why there is a range constraint problem with Stilbon Planitia (Q28950330) for diameter. It says, "The value for diameter (1,550 kilometer) should be between 0 and 500,000." It's 1550, which is within the range. -Trilotat (talk) 23:18, 9 November 2018 (UTC)[reply]

Tunnel boring machines[edit]

https://commons.wikimedia.org/wiki/File:Taipei_MRT_Xinyi_Line_Tunnel_boring_machine.jpg 7.72 meters disallowed?
Mkouklis(2) (talk)

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