Hinter-Ohr-Hörgeräte.JPG

This image has currency in it to indicate scale.

Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted .

Ideally, a photograph should include a ruler with the subject ( example ) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter ).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro as of 2002:
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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Summary

Description
English: Behind the ear hearing aids (Siemens)
Deutsch: Hinter-Ohr-Hörgeräte (Siemens)
Date
Source Own work
Author Wald1siedel
Permission
( Reusing this file )
Deutsch: Dieses Foto wurde von der Autorin und Fotografin des Salzburgwiki Wald1siedel erstellt und unter nachfolgend aufgeführter Lizenz veröffentlicht. Das Bild kann frei verwendet werden, wenn ich als Urheber genannt und die weiteren Lizenzbestimmungen eingehalten werden.
English: This photograph was taken by the author and photographer of the austrian Salzburgwiki /Benutzer:Wald1siedel Wald1siedel and released under the license(s) stated below. You are free to use it for any purpose as long as you credit me as the author and follow the terms of the license.


Um mir ein Belegexemplar zu senden, kontaktiere mich auf meiner Diskussionsseite User talk:Wald1siedel / To send me a voucher copy, please contact me on my User talk:Wald1siedel
Other versions
Image extraction process This file has an extracted image : Hinter-Ohr-Hörgeräte (cropped).JPG .
lang=en

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w:en:Creative Commons
attribution share alike
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You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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inception

27 January 2014