U+339B "㎛" Square Mu M Unicode Character
Unicode Version 17.0
㎛
U+339B "㎛" Square Mu M is a precomposed CJK Compatibility Ideograph representing the unit of length "square micrometer", which is a measurement of area equal to one millionth of a square meter, commonly used in fields such as microscopy, material science, and semiconductor manufacturing to express very small surface areas. This character is designed for compatibility with East Asian text encodings and is often employed in technical or scientific documents where a single, compact glyph is preferred over writing "μm²".
General Properties
| Code Point | U+339B |
| Version Added | 1.1 |
| Name | Square Mu M |
| Unicode 1.0 Name | Squared Mu M |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "μ" U+03BC Greek Small Letter Mu "m" U+006D Latin Small Letter M |
Encodings
| HTML Decimal Encoding | ㎛ |
| HTML Hex Encoding | ㎛ |
| UTF-8 Encoding | 0xE3 0x8E 0x9B |
| UTF-16 Encoding | 0x339B |
| UTF-32 Encoding | 0x0000339B |
| C/C++/Java Escape | \u339b |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "μ" U+03BC Greek Small Letter Mu "m" U+006D Latin Small Letter M |
| NFKC Simple Casefold | "μ" U+03BC Greek Small Letter Mu "m" U+006D Latin Small Letter M |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |