U+0443 "у" Cyrillic Small Letter U Unicode Character

U+0443 "у" Cyrillic Small Letter U is a lowercase letter used in the Cyrillic script, where it represents the vowel sound /u/, similar to the "oo" in "boot." It is the twenty-first letter of the standard Russian alphabet and appears in many other languages that use Cyrillic, such as Ukrainian, Bulgarian, and Serbian. This character visually resembles the Latin letter "y" but is distinct in its script and phonetic role, and it is encoded as part of the Cyrillic block in Unicode to support digital text representation across Slavic and non Slavic languages.

General Properties

Code Point	U+0443
Version Added	1.1
Name	Cyrillic Small Letter U
Block	Cyrillic
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	у
HTML Hex Encoding	у
UTF-8 Encoding	0xD1 0x83
UTF-16 Encoding	0x0443
UTF-32 Encoding	0x00000443
C/C++/Java Escape	\u0443

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	Ambiguous
Lowercase	Yes
Simple Uppercase Code Point	"У" U+0423 Cyrillic Capital Letter U
Simple Titlecase Code Point	"У" U+0423 Cyrillic Capital Letter U
Uppercase Code Point	"У" U+0423 Cyrillic Capital Letter U
Titlecase Code Point	"У" U+0423 Cyrillic Capital Letter U
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
Script	Cyrillic
Script Extensions	Cyrillic
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	Alphabetic letter
Sentence Break	Lower