The Vulgar Fraction One Third symbol (⅓). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Number Forms.
The quickest way is to copy ⅓ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
⅓ is U+2153 (decimal 8531).
Use ⅓ in HTML to render ⅓ on a web page.
On Windows you can type it with Alt+8531 (hold Alt and enter the number on the numeric keypad).
Yes — copying is completely free and unlimited, and works right in your browser with no sign-up.