U+1D462 "𝑢" Mathematical Italic Small U Unicode Character

Unicode Version 17.0

𝑢

U+1D462 "𝑢" Mathematical Italic Small U is a typographic variant of the standard Latin minuscule letter 'u', designed specifically for use in mathematical and scientific notation to distinguish variables, constants, and other symbols from ordinary text. It belongs to the Mathematical Alphanumeric Symbols block, which was added to Unicode to provide a complete set of style variations for letters without relying on font formatting or markup. This character is intended for representing variables in equations, such as velocity or potential energy, ensuring clarity and consistency across documents and software platforms. Its usage is particularly important in contexts where italicized text might be misinterpreted by search engines or accessibility tools as formatting rather than content meaning.

General Properties

Code Point U+1D462
Version Added 3.1
Name Mathematical Italic Small U
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "u" U+0075 Latin Small Letter U

Encodings

HTML Decimal Encoding 𝑢
HTML Hex Encoding 𝑢
UTF-8 Encoding 0xF0 0x9D 0x91 0xA2
UTF-16 Encoding 0xD835 0xDC62
UTF-32 Encoding 0x0001D462
C/C++/Java Escape \ud835\udc62

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Lowercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "u" U+0075 Latin Small Letter U
NFKC Simple Casefold "u" U+0075 Latin Small Letter U
Script Common
Script Extensions Common
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Lower