U+FF90 "ﾐ" Halfwidth Katakana Letter Mi Unicode Character
Unicode Version 17.0
ﾐ
U+FF90 "ﾐ" Halfwidth Katakana Letter Mi is a typographic variant of the standard full-width katakana character ミ, designed to occupy exactly half the width of a typical East Asian ideographic character for compatibility with legacy computer systems and monospaced text environments. It represents the Japanese syllabic sound "mi" and is part of the Halfwidth and Fullwidth Forms Unicode block, which was created to facilitate interchange between older character encodings like Shift JIS and modern Unicode standards.
General Properties
| Code Point | U+FF90 |
| Version Added | 1.1 |
| Name | Halfwidth Katakana Letter Mi |
| Block | Halfwidth and Fullwidth Forms |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Narrow |
| Decomposition Mapping | "ミ" U+30DF Katakana Letter Mi |
Encodings
| HTML Decimal Encoding | ﾐ |
| HTML Hex Encoding | ﾐ |
| UTF-8 Encoding | 0xEF 0xBE 0x90 |
| UTF-16 Encoding | 0xFF90 |
| UTF-32 Encoding | 0x0000FF90 |
| C/C++/Java Escape | \uff90 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Halfwidth |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ミ" U+30DF Katakana Letter Mi |
| NFKC Simple Casefold | "ミ" U+30DF Katakana Letter Mi |
| Script | Katakana |
| Script Extensions | Katakana |
| 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 | Katakana |
| Sentence Break | OLetter |