U+0171 "ű" Latin Small Letter U with Double Acute Unicode Character
Unicode Version 17.0
ű
U+0171 "ű" Latin Small Letter U with Double Acute is a distinct letter used primarily in the Hungarian alphabet, where it represents a long, front rounded vowel sound, similar to the "u" in "rude" but with the lips more rounded and the tongue positioned farther forward. It is formed by adding a double acute accent above a standard lowercase "u", which distinguishes it from the single acute accented "ú" and indicates a longer, more closed pronunciation. This character is essential for correct Hungarian orthography and appears in words like "űr" meaning "space" or "űz" meaning "to chase", and it is also employed in some other languages for phonetic transcription.
General Properties
| Code Point | U+0171 |
| Version Added | 1.1 |
| Name | Latin Small Letter U with Double Acute |
| Unicode 1.0 Name | Latin Small Letter U Double Acute |
| Block | Latin Extended-A |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "u" U+0075 Latin Small Letter U "̋" U+030B Combining Double Acute Accent |
Encodings
| HTML Decimal Encoding | ű |
| HTML Hex Encoding | ű |
| UTF-8 Encoding | 0xC5 0xB1 |
| UTF-16 Encoding | 0x0171 |
| UTF-32 Encoding | 0x00000171 |
| C/C++/Java Escape | \u0171 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Ű" U+0170 Latin Capital Letter U with Double Acute |
| Simple Titlecase Code Point | "Ű" U+0170 Latin Capital Letter U with Double Acute |
| Uppercase Code Point | "Ű" U+0170 Latin Capital Letter U with Double Acute |
| Titlecase Code Point | "Ű" U+0170 Latin Capital Letter U with Double Acute |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |