The Roman Numeral Ten symbol (Ⅹ). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Number Forms.
The quickest way is to copy Ⅹ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
Ⅹ is U+2169 (decimal 8553).
Use Ⅹ in HTML to render Ⅹ on a web page.
On Windows you can type it with Alt+8553 (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.