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One Third Fraction Symbol (⅓)

⅓ is one third — 0.333…, the share when anything splits three ways, and a common recipe amount. There is no Alt code; copy it here.

⅓

Vulgar Fraction One Third · U+2153 · Math Symbols

Click the symbol or the button to copy it, then paste it anywhere — documents, messages, bios and code.

One Third Fraction codes

Code	Value
Unicode code point	`U+2153`
Unicode name	`Vulgar Fraction One Third`
HTML named entity	`&frac13;`
HTML decimal	`⅓`
HTML hex	`⅓`
CSS content code	`\2153`
JavaScript / JSON	`\u2153`
Windows Alt code	No standard Alt code — copy it from the card above

One Third Fraction variants (14)

14 related glyphs — click any tile to copy it. Tiles with a page open that symbol's own page.

½Vulgar Fraction One Half ¼Vulgar Fraction One Quarter ¾Vulgar Fraction Three Quarters ⅔Vulgar Fraction Two Thirds ⅕Vulgar Fraction One Fifth⅖Vulgar Fraction Two Fifths⅗Vulgar Fraction Three Fifths⅘Vulgar Fraction Four Fifths⅛Vulgar Fraction One Eighth ⅜Vulgar Fraction Three Eighths ⅝Vulgar Fraction Five Eighths ⅞Vulgar Fraction Seven Eighths⅙Vulgar Fraction One Sixth⅚Vulgar Fraction Five Sixths

Meaning & usage

⅓ is one third — 0.333…, the share when anything splits three ways, and a common recipe amount. There is no Alt code; copy it here. Single-character fractions like this one are called vulgar fractions: pre-composed glyphs that keep measures on one line and stop them splitting across line breaks.

They come from metal type, where a tiny cast fraction saved the compositor from stacking small numerals. Modern fonts include the common set — halves, quarters, thirds, fifths and eighths — all gathered in this page's variants grid.

Examples in use

Measure out ⅓ of the total
Combine with ½ and ¾ for a full recipe set

How to type the one third fraction

Windows

There is no Alt code or direct key for ⅓. In Microsoft Word, type 2153 and press Alt+X to convert it. Everywhere else, click the Copy button at the top of this page and paste it (Ctrl+V) — that always works.

Mac

There is no Option-key shortcut for ⅓ on a Mac. Open the Character Viewer with Control+Command+Space, search for "One Third Fraction", and double-click to insert — or copy it from this page.

iPhone & Android

Most phone keyboards have no built-in key for ⅓. Open this page on your phone, tap Copy, then paste it into your message or bio. (On Android, Gboard's emoji search finds some symbols by name.)

Linux

Press Ctrl+Shift+U, type 2153 and press Enter (works in most GTK apps and terminals with IBus). Or copy it from this page.

Frequently asked questions

How do I type ⅓ on a keyboard?

There is no standard Alt code for ⅓. Copy it from this page and paste it — in Word you can also type 2153 then press Alt+X.

Why is it called a vulgar fraction?

'Vulgar' is the old Latin for 'common' — a vulgar fraction is an ordinary fraction written as one quantity over another, as opposed to a decimal.

Why does ⅓ sometimes show as a box or question mark?

The box (called tofu) means the device or font viewing it has no drawing for U+2153 (Vulgar Fraction One Third). The character itself is fine — try a different font or a newer device, or use one of the variants on this page.

Is the One Third Fraction free to use?

Yes. ⅓ is a standard Unicode text character published in the Unicode Character Database. You may use it in personal and commercial documents, designs and products without permission or payment.