U+FF19 "９" Fullwidth Digit Nine Unicode Character

U+FF19 "９" Fullwidth Digit Nine is a typographic variant of the standard digit nine, designed specifically for compatibility with East Asian text layouts where characters occupy a full square monospaced width, matching the proportional spacing of CJK ideographs. It forms part of the "Fullwidth Forms" block, which provides fullwidth counterparts for basic ASCII characters to achieve visual uniformity in mixed-language documents, such as those combining Japanese, Chinese, or Korean scripts with Latin numerals. This character shares the same numeric value as the regular digit "9" but differs solely in its glyphic presentation, being wider and centered within its character cell for harmonious alignment.

General Properties

Code Point	U+FF19
Version Added	1.1
Name	Fullwidth Digit Nine
Block	Halfwidth and Fullwidth Forms
General Category	Decimal Number
Canonical Combining Class	Not Reordered
Bidirectional Class	European Number
Decomposition Type	Wide
Decomposition Mapping	"9" U+0039 Digit Nine

Encodings

HTML Decimal Encoding	９
HTML Hex Encoding	９
UTF-8 Encoding	0xEF 0xBC 0x99
UTF-16 Encoding	0xFF19
UTF-32 Encoding	0x0000FF19
C/C++/Java Escape	\uff19

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	Decimal
Numeric Value	9
Line Break	Ideographic
East Asian Width	Fullwidth
Changes When NFKC Casefolded	Yes
NFKC Casefold	"9" U+0039 Digit Nine
NFKC Simple Casefold	"9" U+0039 Digit Nine
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Continue	Yes
XID Continue	Yes
Hex Digit	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Numeric
Sentence Break	Numeric