File:Esprital pigulki.jpg

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Description
Polski: Esprital oraz złotówka jako skala
Date (original upload date)
Source Transferred from pl.wikipedia to Commons by Masur using CommonsHelper.
Author Maralikpl at Polish Wikipedia
Ruler and coin.svg
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:
    • 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:
    • 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:
    • 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: 22.5 mm , 0.89 in
    • £2: 28.4 mm , 1.12 in
  • Euro:
    • 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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Licensing[edit]

Public domain This work has been released into the public domain by its author, Maralikpl at Polish Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
Maralikpl grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Original upload log[edit]

The original description page was here. All following user names refer to pl.wikipedia.
  • 2008-03-21 09:11 Maralikpl 2600×2088× (554509 bytes) Zdjęcie przedstawia lek Esprital oraz złotówkę jako skalę Autorem zdjęcia jest Piotr Z.

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current06:34, 9 November 2009Thumbnail for version as of 06:34, 9 November 20092,600 × 2,088 (542 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|pl.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{pl|== Licencja ==}} |Source=Transferred from [http://pl.wikipedia.org pl.wikipedia]; transferred to Common
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