Double Acute Letters
Hungarian doubles the acute to mark its longest vowels — ő and ű are the stretched versions of ö and ü, as in kő (stone) and tűz (fire). No other language writes vowels quite this way. This site lists 4 letters carrying the mark — click any letter below to copy it.
All 4 double acute letters, A to Z
Click a letter to copy it; click its name for the letter’s own page with codes and typing guides.
| Letter | Name | Unicode |
|---|---|---|
| o double acute | ||
| O double acute | ||
| u double acute | ||
| U double acute |
Browse by letter
How to type the double acute
Every device hides a route into these letters. Pick your platform:
Windows
ő
0151thenAltX
ű
0171thenAltX
Ő
0150thenAltX
Ű
0170thenAltX
- Windows has no Ctrl shortcut for the double acute. In Microsoft Word, type the letter’s code point and press Alt+X — the code converts in place.
- Outside Word, press Win + . and look under the emoji panel’s Symbols tab.
Tip: Each letter’s own page on this site lists its exact code point.
Mac
- The Option dead keys and the press-and-hold pop-ups have no double-acute forms.
- Press Control+Command+Space to open the Character Viewer and search “o with double acute”.
Tip: For a stretch of Hungarian text, adding the Hungarian keyboard layout in System Settings is the comfortable route.
iPhone & Android
ő
opress & hold
ű
upress & hold
- Press and hold o or u on the on-screen keyboard — ő sits in the o pop-up, ű in the u pop-up.
- Slide to the double-acute form and release.
Tip: The iPhone’s English (US) keyboard (iOS 17+) includes ő and ű; Android keyboards like Gboard do too.