U+33C8 "㏈" Square Db Unicode Character
Unicode Version 17.0
㏈
U+33C8 "㏈" Square Db is a CJK (Chinese, Japanese, and Korean) compatibility ideograph that represents the unit of measurement "dB," which stands for decibel. It is encoded in the Unicode block for CJK Compatibility, which contains square symbols used in East Asian typography to represent units, abbreviations, or common words in a compact, monospaced form. This particular character provides a static, stylized representation of the decibel unit, and it is primarily used in text or signage within Japanese and other East Asian contexts where such squared notation appears for clarity or formatting conventions.
General Properties
| Code Point | U+33C8 |
| Version Added | 1.1 |
| Name | Square Db |
| Unicode 1.0 Name | Squared Db |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Square |
| Decomposition Mapping | "d" U+0064 Latin Small Letter D "B" U+0042 Latin Capital Letter B |
Encodings
| HTML Decimal Encoding | ㏈ |
| HTML Hex Encoding | ㏈ |
| UTF-8 Encoding | 0xE3 0x8F 0x88 |
| UTF-16 Encoding | 0x33C8 |
| UTF-32 Encoding | 0x000033C8 |
| C/C++/Java Escape | \u33c8 |
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 | "d" U+0064 Latin Small Letter D "b" U+0062 Latin Small Letter B |
| NFKC Simple Casefold | "d" U+0064 Latin Small Letter D "b" U+0062 Latin Small Letter B |
| 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 |