Latin Capital Letter Y With Diaeresis

Part of Accented Latin Letters

On Windows, hold Alt and type 0159 on the numeric keypad to insert latin capital letter y with diaeresis.

Alt code
Alt+0159
HTML entity
Ÿ
Unicode
U+0178

About this symbol

The capital Ÿ was left out of Latin-1, which had only the small ÿ, because French rarely needs it. Microsoft’s Windows-1252 character set filled the gap, and Unicode gives it its own code, U+0178, well away from its small letter.

Unicode facts

Official name
LATIN CAPITAL LETTER Y WITH DIAERESIS
Type
Uppercase letter
Unicode block
Latin Extended-A
Unicode group
European Latin
Added in
Unicode 1.1 (1993)
Small form
ÿ Latin Small Letter Y With Diaeresis U+00FF
Built from
Y Latin Capital Letter Y U+0059
◌̈ Combining Diaeresis U+0308
Unicode notes
  • French, Igbo
  • Lowercase is 00FF

Click the symbol or any value at the top of the page to copy it. See the full Accented Latin Letters chart for related characters.

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