U+0042 "B" Latin Capital Letter B Unicode Character
Unicode Version 17.0
B
U+0042 "B" Latin Capital Letter B is a fundamental component of the Latin alphabet, specifically the second letter in its standard English ordering. In the Unicode standard, it occupies code point 0042 in hexadecimal, and it is used to represent the voiced bilabial plosive sound, as in the words "bat" or "big." This character directly inherits its shape and phonetic value from the ancient Roman alphabet, which itself derived from the Greek letter beta. In digital systems, it is encoded using a single byte in ASCII and UTF-8, making it one of the most universally recognized and stable characters across computing platforms.
General Properties
| Code Point | U+0042 |
| Version Added | 1.1 |
| Name | Latin Capital Letter B |
| Block | Basic Latin |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | B |
| HTML Hex Encoding | B |
| UTF-8 Encoding | 0x42 |
| UTF-16 Encoding | 0x0042 |
| UTF-32 Encoding | 0x00000042 |
| C/C++/Java Escape | \u0042 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| East Asian Width | Narrow |
| Uppercase | Yes |
| Simple Lowercase Code Point | "b" U+0062 Latin Small Letter B |
| Lowercase Code Point | "b" U+0062 Latin Small Letter B |
| Simple Case Folding | "b" U+0062 Latin Small Letter B |
| Case Folding | "b" U+0062 Latin Small Letter B |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "b" U+0062 Latin Small Letter B |
| NFKC Simple Casefold | "b" U+0062 Latin Small Letter B |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Hex Digit | Yes |
| ASCII Hex Digit | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |