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Halfwidth Katakana Letter Wo Letter

ヲ is the halfwidth Katakana letter “wo” in Unicode (U+FF66), used in Japanese text formatting.

U+FF66

ヲ (U+FF66) is a halfwidth Katakana character used for the sound “wo” in Japanese. Because it is halfwidth, it can be useful when matching legacy text styles or fixed-width layouts. Below are practical ways to copy and include it in your work.

Halfwidth Katakana Letter Wo Letter Meaning

ヲ is the halfwidth Katakana letter “wo” and is encoded as Unicode code point U+FF66 (HALFWIDTH KATAKANA LETTER WO). Halfwidth characters take up less horizontal space than their fullwidth counterparts, so ヲ is often encountered in legacy Japanese encodings, fixed-width terminal output, or text created with halfwidth Katakana settings. In modern Japanese, the “wo” character is commonly associated with the historical spelling “を” in certain contexts (and is sometimes rendered as “wo/を” depending on style), but its primary purpose here is character representation and formatting rather than any special technical meaning.

Common uses

  • Copying halfwidth Japanese text from older documents or systems that preserve halfwidth Katakana
  • Matching UI/terminal spacing when a layout expects halfwidth characters
  • Preparing data for systems that require halfwidth Katakana input (e.g., legacy forms)
  • Generating consistent fixed-width strings for logs, labels, or barcode-like text fields
  • Typing or editing Japanese text that specifically uses halfwidth Katakana mode

Examples

ヲ Halfwidth Katakana Letter Wo (U+FF66)

  • ヲサカナ
  • カナヲ マナンガラ
  • データヲジュンイチ
  • ナンメイヲガ
  • ヲ ボタン

Variations

Technical codes

UnicodeU+FF66
HTML Entityヲ
HTML Codeヲ
CSS\FF66

FAQ

What does the Halfwidth Katakana Letter Wo letter mean?

ヲ is the halfwidth Katakana letter “wo” and is encoded as Unicode code point U+FF66 (HALFWIDTH KATAKANA LETTER WO). Halfwidth characters take up less horizontal space than their fullwidth counterparts, so ヲ is often encountered in legacy Japanese encodings, fixed-width terminal output, or text created with halfwidth Katakana settings. In modern Japanese, the “wo” character is commonly associated with the historical spelling “を” in certain contexts (and is sometimes rendered as “wo/を” depending on style), but its primary purpose here is character representation and formatting rather than any special technical meaning.

What Unicode character is ヲ?

ヲ is the Halfwidth Katakana Letter Wo, with Unicode code point U+FF66.

How do I copy ヲ into HTML?

Use the HTML entity: ヲ

What escapes can I use in CSS or JavaScript?

CSS escape: \\FF66. JavaScript (Unicode code point): \\u{FF66}.

How is halfwidth ヲ different from the usual “wo” character?

ヲ is halfwidth (U+FF66) and can appear narrower than fullwidth/widely used Japanese characters, which matters for alignment in fixed-width layouts.