| Wikidata property for physical quantities | Q21077852 |
| P1282 | OpenStreetMap tag or key | Key:circumference |
| P3254 | property proposal discussion | https://www.wikidata.org/wiki/Wikidata:Property_proposal/Archive/44#P2547 |
| P3713 | category for value not in Wikidata | ??? | Q101364178 |
| P2302 | property constraint | allowed-entity-types constraint | Q52004125 |
| property scope constraint | Q53869507 | ||
| range constraint | Q21510860 | ||
| allowed units constraint | Q21514353 | ||
| P2875 | property usage tracking category | Category:Pages using Wikidata property P2547 | Q27498884 |
| P1659 | related property | length | P2043 |
| diameter | P2386 | ||
| P1629 | Wikidata item of this property | perimeter | Q28474 |
| Q125399826 | Kanagawa selected tree 100 |
| Q815741 | geometric shape |
| Q23442 | island |
| Q23397 | lake |
| Q28474 | perimeter | Wikidata property | P1687 |
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