HTML Entity for Fraction 1 By 6 (⅙)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2159

What You'll Learn

How to display the Fraction 1 By 6 symbol (⅙) in HTML using named, hexadecimal, decimal, and CSS escape methods. This character is U+2159 (VULGAR FRACTION ONE SIXTH) in the Number Forms block (U+2150–U+218F)—a vulgar fraction representing 1⁄6 (one sixth).

Render it with the named entity ⅙, ⅙, ⅙, or CSS escape \2159. Do not confuse ⅙ with one fifth (⅕, U+2155, ⅕), five sixths (⅚, U+215A), or plain text 1/6.

⚡ Quick Reference — Fraction 1 By 6

Unicode U+2159

Number Forms

Hex Code ⅙

Hexadecimal reference

HTML Code ⅙

Decimal reference

Named Entity ⅙

One sixth (most readable)

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2159
Hex code       ⅙
HTML code      ⅙
Named entity   ⅙
CSS code       \2159
Meaning        Vulgar fraction one sixth (1/6)
Related        U+2155 = One fifth (⅕); U+215A = Five sixths (⅚)
1

Complete HTML Example

This example demonstrates the Fraction 1 By 6 symbol (⅙) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\2159";
  }
 </style>
</head>
<body>
<p>Fraction 1 By 6 using Hexadecimal: &#x2159;</p>
<p>Fraction 1 By 6 using HTML Code: &#8537;</p>
<p>Fraction 1 By 6 using HTML Entity: &frac16;</p>
<p id="point">Fraction 1 By 6 using CSS Entity: </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Fraction 1 By 6 (⅙) is widely supported in modern browsers with a suitable font:

Chrome 1+
Firefox 1+
Safari 1+
Edge 12+
Opera 4+
Android 4.4+
iOS Safari 1+

👀 Live Preview

See the vulgar fraction one sixth (⅙) in math and compared with related fraction glyphs:

Share ⅙ of a whole
Math 6 × ⅙ = 1   ⅙ + ⅙ + ⅙ + ⅙ + ⅙ + ⅙ = 1
Large glyph
Vulgar fractions ⅕ fifth   ⅙ sixth   ⅚ five sixths
Entity refs &frac16; &#x2159; &#8537; \2159

🧠 How It Works

1

Named Entity

&frac16; is the HTML named entity for one sixth—often preferred in readable math and educational markup.

HTML markup
2

Hexadecimal Code

&#x2159; uses the Unicode hexadecimal value 2159. The x prefix indicates hexadecimal format.

HTML markup
3

Decimal HTML Code

&#8537; uses the decimal Unicode value 8537 to display the same character.

HTML markup
4

CSS Entity

\2159 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All four methods produce: . Unicode U+2159 in Number Forms. For one fifth, see Fraction 1 By 5 (⅕).

Use Cases

The Fraction 1 By 6 symbol (⅙) is commonly used in:

🍳 Recipes

Proportions and measurements (e.g. ⅙ of a total).

∑ Math

Equations, fractions, and math content using one sixth.

📚 Education

Textbooks, tutorials, and lessons on fractions and ratios.

📊 Data

Statistics, scores, and displays showing sixths or proportional shares.

📄 Documents

Legal, academic, or technical documents with vulgar fractions.

🌐 Symbol guides

HTML entity lists, Unicode charts, and character references.

💡 Best Practices

Do

  • Use &frac16; for readable HTML in recipes and math
  • Pair with units (e.g. ⅙ cup) for clear measurements
  • Use math-friendly fonts (Cambria Math, STIX Two Math) for clear fractions
  • Add aria-label (e.g. “one sixth”) for accessibility
  • Serve pages with UTF-8 (<meta charset="utf-8">)

Don’t

  • Confuse ⅙ (one sixth) with ⅕ (one fifth, U+2155)
  • Confuse ⅙ (1⁄6) with ⅚ (five sixths, U+215A)
  • Put CSS escape \2159 in HTML text nodes
  • Mix entity styles randomly in one file
  • Use 1/6 when typographic ⅙ is required for consistency

Key Takeaways

1

Three HTML references plus CSS all render ⅙

&#x2159; &#8537; &frac16;
2

For CSS stylesheets, use the escape in the content property

\2159
3

Unicode U+2159 — vulgar fraction one sixth

4

&frac16; is the standard named entity

5

Next: Fraction 1 By 7 (⅐, U+2150)

❓ Frequently Asked Questions

Use &frac16; (named), &#x2159; (hex), &#8537; (decimal), or \2159 in CSS content. All produce ⅙.
U+2159 (VULGAR FRACTION ONE SIXTH). Number Forms block (U+2150–U+218F). Hex 2159, decimal 8537. Represents the vulgar fraction one sixth (⅙).
In mathematical notation and fractions, educational content, web design, data display, and any content that requires the one-sixth (⅙) symbol in typographic form.
Yes. &frac16; is the named HTML entity for U+2159 (⅙). You can also use &#8537; (decimal) or &#x2159; (hexadecimal). All render the same symbol.
HTML entities (&#8537;, &#x2159;, or &frac16;) go directly in markup. The CSS escape \2159 is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
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I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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