Measuring tool for ring sizes.

The naming convention of the files is the following:

• Static prefix: size
• Inside diameter in millimeters
  • Two numbers indicate a whole number.
    Example: 14 is translated to 14 mm.
  • Three numbers indicate number with dot.
    Example: 125 need to be read as 12.5 mm.
• Europe size - most of the time this size correspond to the inside circumference.
• British & Australian size - indicated by a letter from the Latin alphabet.
• US & Canada size:
  • From sizes A to T, two number indicate a number with dot.
    Example: 05 need to be read as 0.5 or 65 need to be read as 6.5
  • From sizes T to Z, three numbers indicate a number with dot.
    Example: 105 need to be read as 10.5 or 125 need to be read as 12.5