unicode

オ

U+30AA

KATAKANA LETTER O

KATAKANA LETTER O · Other Letter · Katakana · Katakana script

xid-start

Practice lab

Train Katakana starting with オ

Free interactive drills for reading and writing the full katakana set — on jepang.org

Katakana practice drills

Quick facts

Code point: U+30AA
Decimal: 12458
Name: KATAKANA LETTER O
General category: Lo — Other Letter
Block: Katakana
Script: Katakana
Bidi class: L
Combining class: 0
Age: 1.1
Name aliases: —

Normalization & case

Decomposition: —
Uppercase: —
Lowercase: —
Titlecase: —
Case folding: —
Bidi mirrored: No

Layout & width

East Asian Width: W
Line Break: ID
Numeric: —
Script extensions: —

Binary properties

AlphabeticID_StartID_ContinueXID_StartXID_Continue

Developer examples

JS: '\u{30aa}' // U+30AA
Python: "\N{KATAKANA LETTER O}"
HTML: オ

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Previous

U+30A9

Next

U+30AB

Block

Katakana

Category

Other Letter

Script

Katakana

Source

Unicode: 16.0.0
WHATWG: —