⅓

One Third Symbol (⅓)

Copy and paste the one third ⅓ with one click

Unicode Character

⅓

Unicode Hex

U+2153

HTML Entity

⅓

Decimal Code

8531

About the One Third Symbol

Last reviewed on October 31, 2026

⅓ is the fraction one third in a single character. Recipes use it, as in ⅓ cup. As a decimal it is 0.333 and so on, which never ends, so the fraction is exact in a way a decimal cannot be.

Its official Unicode name is Vulgar Fraction One Third. Browse the Mathematical Symbols page for related characters.

How to Type One Third on a Keyboard

Windows: Type 2153 then press Alt+X in Word; in other apps, copy ⅓ from this page and paste it. It has no classic Alt code

Mac: Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name

Microsoft Word: Type 2153 then press Alt+X

Phone & tablet: Copying ⅓ from this page is fastest — see our mobile typing guide

One Third Code for HTML, CSS & JavaScript

HTML: ⅓

CSS: content: '\2153';

JavaScript: '\u2153'

Unicode: U+2153

Frequently Asked Questions

How do I type one third ⅓ on Windows?

Type 2153 then press Alt+X in Word; in other apps, copy ⅓ from this page and paste it. It has no classic Alt code. You can also copy ⅓ straight from this page.

How do I type ⅓ on a Mac?

Press Ctrl+Cmd+Space to open the Character Viewer, then search for the symbol by name.

What is the Unicode and HTML code for one third?

It is Unicode code point U+2153, named Vulgar Fraction One Third. In HTML, use ⅓.