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Polgada A polgada no mundo | Equivalencias | Menú de navegación300379100ID

Unidades de lonxitude


polgaringlésSIEstados Unidosgasdiámetro












Polgada




Na Galipedia, a Wikipedia en galego.






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A polgada é unha medida de lonxitude antropométrica que equivalía á lonxitude dun polgar. En inglés chámase inch.



A polgada no mundo |


A polgada foi substituída en gran parte do mundo por unidades do SI. As equivalencias son:


  • Actualmente en uso
    • 1 polgada (Sistema imperial británico) = 2,54 cm.

  • Obsoletas
    • 1 polgada (Sistema castelán de Filipe II) = 2,32166 cm.

    • 1 polgada (Aragón) = 2,14 cm.

    • 1 polgada (México) = 2,3278 cm.


A polgada imperial segue en uso, aínda que confinada sobre todo a Estados Unidos. En 1958 definiuse que a polgada imperial equivalería a exactamente 2,54 centímetros.


Polgada lg 03.png


Equivalencias |


  • 1 vara / 1 iarda = 36 polgadas

  • 1 varapé = 12 polgadas

  • 1 polgada = 12 liñas

  • 1 polgada = 72 puntos

Nota:
Cando se fala de roscas de gas en polgadas, esta medida non se refire directamente ao diámetro da rosca. Para coñecer a medida exacta do diámetro o mellor é acudir a un prontuario mecánico. Buscar como rosca "Briggs" americana para tubos de gas, auga e vapor.
Por exemplo rosca G1/4 --> Diámetro exterior medio = 12,12 mm




Control de autoridades

  • Wd: Q218593

  • AAT: 300379100

  • EBID: ID




Traído desde "https://gl.wikipedia.org/w/index.php?title=Polgada&oldid=4176420"










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