U+1D37 "ᴷ" Modifier Letter Capital K Unicode Character

U+1D37 "ᴷ" Modifier Letter Capital K is a superscript or raised version of the capital letter K, primarily used in phonetic transcription systems such as the International Phonetic Alphabet and Uralic phonetic alphabets to indicate secondary articulation or minor modifications to the preceding sound, such as a slight velar or off-glide quality. It is not a standalone letter but a modifier that attaches glyphically to another character, often appearing within vowel or consonant sequences to denote reduced or diacritic-like features. This character belongs to the Phonetic Extensions block of Unicode, which was designed to support specialized linguistic notation beyond the standard Latin alphabet.

General Properties

Code Point	U+1D37
Version Added	4.0
Name	Modifier Letter Capital K
Block	Phonetic Extensions
General Category	Modifier Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Super
Decomposition Mapping	"K" U+004B Latin Capital Letter K

Encodings

HTML Decimal Encoding	ᴷ
HTML Hex Encoding	ᴷ
UTF-8 Encoding	0xE1 0xB4 0xB7
UTF-16 Encoding	0x1D37
UTF-32 Encoding	0x00001D37
C/C++/Java Escape	\u1d37

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Other Lowercase	Yes
Case Ignorable	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"k" U+006B Latin Small Letter K
NFKC Simple Casefold	"k" U+006B Latin Small Letter K
Script	Latin
Script Extensions	Latin
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Diacritic	Yes
Alphabetic	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower