Vulgar Fraction One Eighth ⅛

The Vulgar Fraction One Eighth character (⅛) is a standard HTML entity defined in the HTML specification. In HTML source code, it can be written using the named entity reference ⅛, the decimal numeric character reference ⅛, or the hexadecimal numeric reference ⅛. The character is assigned Unicode code point U+215B in the Universal Character Set.

The one-eighth fraction is a precomposed Unicode character displaying ⅛ as a single glyph. Eighth fractions are very common in imperial measurements, especially in construction (lumber), cooking, and music (eighth note). The character is well-supported in modern fonts.

Mathematical HTML entities enable web authors to display proper mathematical notation without relying on images or specialized rendering libraries like MathJax or KaTeX. While complex equations and multi-line formulas may still benefit from dedicated math typesetting tools, individual symbols expressed as HTML entities render quickly, remain accessible to screen readers, and can be styled with CSS just like regular text content.

When deciding how to encode the Vulgar Fraction One Eighth character in your HTML documents, the named entity ⅛ is generally the most readable choice for developers reviewing or maintaining source code. The decimal form ⅛ and hexadecimal form ⅛ are equally valid alternatives that work in contexts where named entities may not be supported, or when generating HTML output programmatically from server-side code. All three representations produce identical visual output in every modern web browser.

Use the one-eighth fraction in imperial measurements (⅛ inch), recipes (⅛ teaspoon), and music notation references. Eighth fractions are among the most practically useful fraction characters for everyday content, especially in contexts involving American customary units.