HTML Entity for Uppercase U Tilde (Ũ)

What You'll Learn
How to display the uppercase U with tilde (Ũ) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. This character is U+0168 (LATIN CAPITAL LETTER U WITH TILDE) in the Latin Extended-A block—the letter U with a tilde (˜) above. It is used in Vietnamese (e.g. NGŨ, VŨ, TRŨ) and in some African language orthographies.
Render it with Ũ, Ũ, Ũ, or CSS escape \0168. Do not confuse Ũ (u tilde) with Ü (u umlaut, Ü)—they are different letters.
⚡ Quick Reference — Uppercase U Tilde Entity
U+0168Latin Extended-A
ŨHexadecimal reference
ŨDecimal reference
ŨMost readable option
Name Value
──────────── ──────────
Unicode U+0168
Hex code Ũ
HTML code Ũ
Named entity Ũ
CSS code \0168
Meaning Latin capital letter U with tilde
Related U+0169 = ũ (ũ, lowercase)
Block Latin Extended-A (U+0100–U+017F)Complete HTML Example
A simple example showing the uppercase U tilde (Ũ) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\0168";
}
</style>
</head>
<body>
<p>Symbol (hex): Ũ</p>
<p>Symbol (decimal): Ũ</p>
<p>Symbol (named): Ũ</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase U tilde (Ũ) and the named entity Ũ are supported in all modern browsers as part of Latin Extended-A:
👀 Live Preview
See the uppercase U tilde (Ũ) in Vietnamese and content contexts:
ũ)U (U+0055) | Ů (u ring)🧠 How It Works
Hexadecimal Code
Ũ uses the Unicode hexadecimal value 0168 to display the character. The x prefix indicates hexadecimal format.
Decimal HTML Code
Ũ uses the decimal Unicode value 360 to display the same character. A common method for Latin Extended-A characters.
Named Entity
Ũ is the standard named entity for Ũ—readable in source HTML and part of the HTML5 entity set.
CSS Entity
\0168 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All four methods produce the glyph: Ũ. Unicode U+0168 sits in Latin Extended-A. Lowercase equivalent: U+0169 (ũ). Do not confuse with Ü (u umlaut) or plain U (U+0055).
Use Cases
The uppercase U tilde (Ũ) is commonly used in:
Capital form in words like NGŨ (five/sleep), VŨ (dance), TRŨ (pillar) for headlines, signage, and localized UI.
Some African language writing systems use U tilde as a distinct letter in romanization.
Vietnamese and African place names, surnames, and brands that include Ũ must display correctly.
Language learning apps, dictionaries, and pronunciation guides teaching Vietnamese tones.
Legal, academic, and editorial content in Vietnamese requiring correct tone marks.
Vietnamese-language websites, forms, and CMS content requiring correct orthography.
When building HTML from i18n data, using Ũ or Ũ guarantees correct output.
💡 Best Practices
Do
- Use
Ũin HTML when possible for readability - Serve pages as UTF-8; you can also type Ũ directly in UTF-8 source
- Set
lang="vi"on Vietnamese content for correct pronunciation - Use fonts that support Latin Extended-A and Vietnamese tone marks
- Distinguish Ũ (tilde) from Ü (umlaut) and plain
U
Don’t
- Confuse Ũ with Ü (Ü) or plain
Uwhen the tilde is required - Use the old incorrect CSS escape
\00168—the correct value is\0168 - Put CSS escape
\0168in HTML text nodes - Substitute plain
Uplus a combining tilde when the precomposed letter is required - Double-encode numeric references in dynamically generated HTML
Key Takeaways
Use the named entity for readability in HTML source
ŨOr use hex/decimal references when escaping is needed
Ũ ŨFor CSS stylesheets, use the escape in the content property
\0168Unicode U+0168 — LATIN CAPITAL LETTER U WITH TILDE
Previous: Uppercase U Ring Above (Ů) Next: Uppercase U Umlaut (Ü)
❓ Frequently Asked Questions
Ũ (named), Ũ (hex), Ũ (decimal), or \0168 in CSS content. All produce Ũ. In UTF-8 you can also type Ũ directly.U+0168 (LATIN CAPITAL LETTER U WITH TILDE). Latin Extended-A block. Hex 0168, decimal 360. Used in Vietnamese and some African orthographies. Lowercase form is U+0169 (ũ).Ü), used in German and other languages. They are different letters.Ũ. You can also use numeric codes Ũ or Ũ, or the CSS entity \0168. Do not confuse with Ü (Ü).Explore More HTML Entities!
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