HTML Entity for Superscript Three (³)
What You'll Learn
How to display the superscript three (³) in HTML using hex, decimal, the named entity ³, and a CSS escape for generated content.
This character belongs to the Latin-1 Supplement Unicode block and is commonly used for exponents and cubic units like m³.
⚡ Quick Reference — ³ Entity
U+00B3Latin-1 Supplement
³Hexadecimal reference
³Decimal reference
³Most readable option
Name Value
──────────── ──────────
Unicode U+00B3
Hex code ³
HTML code ³
Named entity ³
CSS code \00B3Complete HTML Example
This example demonstrates ³ using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape on a pseudo-element:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\00B3";
}
</style>
</head>
<body>
<p>Superscript Three using Hexa Decimal: ³</p>
<p>Superscript Three using HTML Code: ³</p>
<p>Superscript Three using HTML Entity: ³</p>
<p id="point">Superscript Three using CSS Entity: </p>
</body>
</html>🌐 Browser Support
The superscript three (³) is widely supported across browsers and fonts because it’s part of the Latin‑1 character set.
👀 Live Preview
See ³ rendered in common exponent and unit contexts:
🧠 How It Works
Hexadecimal Code
³ uses the Unicode hexadecimal value 00B3 to display ³.
Decimal HTML Code
³ uses the decimal value 179 for the same character.
Named Entity
³ is the named HTML entity—the easiest to read and remember.
CSS Entity
\00B3 is used in CSS (typically in the content property) to generate ³ in pseudo-elements.
Same visual result
All methods render ³. Unicode U+00B3 belongs to the Latin‑1 Supplement block.
Use Cases
Superscript three (³) is commonly used in the following scenarios:
Cubic powers like x³ and 2³ in math and education.
Volume units like m³, cm³, and ft³.
Reference markers in articles and documents.
Engineering, science, and product specifications.
Single superscript digit without using <sup>.
💡 Best Practices
Do
- Prefer
³for readable source markup - Use one method (named / hex / decimal) consistently across a project
- Use
<sup>for semantic superscript text (not just digits) - Use CSS escape
\00B3only in stylesheets
Don’t
- Use CSS escapes like
\00B3directly in HTML content - Mix entity styles randomly in one document
- Rely on ³ alone when clarity requires text context
- Confuse superscript ³ with subscript ₃
Key Takeaways
Three HTML references all render ³
³ ³ ³For CSS stylesheets, use the escape in the content property
\00B3Unicode U+00B3 is part of Latin‑1 Supplement
Use ³ for exponents and cubic units like m³
❓ Frequently Asked Questions
³ (hex), ³ (decimal), ³ (named), or \00B3 in CSS content. All render ³.U+00B3 (hex 00B3, decimal 179) in Latin‑1 Supplement.³ for a readable named entity.<sup> when you need semantic superscript text (like variables, words, or longer expressions).³ / ³ / ³) go in markup. The CSS escape \00B3 is used in stylesheets for pseudo-element content. Both render ³.Explore More HTML Entities!
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