HTML Entity for Fraction 1 By 9 (⅑)
What You'll Learn
How to display the Fraction 1 By 9 symbol (⅑) in HTML using hexadecimal, decimal, and CSS escape methods. This character is U+2151 (VULGAR FRACTION ONE NINTH) in the Number Forms block (U+2150–U+218F)—a vulgar fraction representing 1⁄9 (one ninth).
Render it with ⅑, ⅑, or CSS escape \2151. There is no named HTML entity. Do not confuse ⅑ with one eighth (⅛, U+215B, ⅛), one tenth (⅒, U+2152), or plain text 1/9.
⚡ Quick Reference — Fraction 1 By 9
U+2151Number Forms
⅑Hexadecimal reference
⅑Decimal reference
—Use numeric codes only
Name Value
──────────── ──────────
Unicode U+2151
Hex code ⅑
HTML code ⅑
Named entity (none)
CSS code \2151
Meaning Vulgar fraction one ninth (1/9)
Related U+215B = One eighth (⅛); U+2152 = One tenth (⅒)Complete HTML Example
This example demonstrates the Fraction 1 By 9 (⅑) using hexadecimal code, decimal HTML code, and a CSS content escape. There is no named HTML entity:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\2151";
}
</style>
</head>
<body>
<p>Fraction 1 By 9 using Hexadecimal: ⅑</p>
<p>Fraction 1 By 9 using HTML Code: ⅑</p>
<p id="point">Fraction 1 By 9 using CSS Entity: </p>
</body>
</html>🌐 Browser Support
The Fraction 1 By 9 is widely supported in modern browsers with a suitable font:
👀 Live Preview
See the vulgar fraction one ninth (⅑) in math and compared with related fraction glyphs:
🧠 How It Works
Hexadecimal Code
⅑ uses the Unicode hexadecimal value 2151 to display the Fraction 1 By 9. The x prefix indicates hexadecimal format.
Decimal HTML Code
⅑ uses the decimal Unicode value 8529 to display the same character.
CSS Entity
\2151 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All three methods produce the glyph: ⅑. Unicode U+2151 is in Number Forms. No named HTML entity—use numeric codes in markup.
Use Cases
The Fraction 1 By 9 (⅑) is commonly used in:
Equations, fractions, and math content that use the 1⁄9 (one ninth) value.
Textbooks, tutorials, and learning materials for fractions and number theory.
Statistics, percentages, and data expressed as ninths (⅑).
Content that uses vulgar fractions for precise typographic display.
Calculators and web apps that display fraction results.
Unicode tables and Number Forms glossaries.
💡 Best Practices
Do
- Add
aria-label="one ninth"when the symbol carries meaning - Use math-friendly fonts (Cambria Math, STIX Two Math) for clear fractions
- Use the CSS escape in
::before/::afterfor repeated markers - Keep hex or decimal encoding consistent within a project
- Serve pages with UTF-8 (
<meta charset="utf-8">)
Don’t
- Confuse ⅑ (1⁄9) with ⅛ (one eighth) or ⅒ (one tenth)
- Expect a named entity—none exists for U+2151
- Put CSS escape
\2151in HTML text nodes - Use the glyph without context when plain
11.11%or1/9is clearer for readers - Skip cross-browser checks for rare punctuation glyphs
Key Takeaways
Two HTML numeric references plus CSS render ⅑
⅑ ⅑For CSS stylesheets, use the escape in the content property
\2151Unicode U+2151 — VULGAR FRACTION ONE NINTH
Number Forms block (U+2150–U+218F)
Three methods, no named HTML entity
❓ Frequently Asked Questions
⅑ (hex), ⅑ (decimal), or \2151 in CSS content. There is no named entity.U+2151 (VULGAR FRACTION ONE NINTH). Number Forms block (U+2150–U+218F). Hex 2151, decimal 8529. Represents one ninth (1⁄9).⅑ or ⅑) go in markup. The CSS escape \2151 is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.Explore More HTML Entities!
Discover 1500+ HTML character references — fractions, math symbols, and more.
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