Roman Numeral One
U+2160Number Forms
Copy and paste Ⅰ. The Roman Numeral One character has Unicode code point U+2160 and decimal HTML code Ⅰ.
Symbol codes
- Unicode
U+2160- HTML Code
Ⅰ- CSS Code
\2160- HEX Code
Ⅰ
Technical properties
Unicode 18.0.0
- Code point
- U+2160
- Decimal
- 8544
- Unicode name
- ROMAN NUMERAL ONE
- Block
- Number Forms · U+2150–U+218F
- General category
- Letter Number (Nl)
- Script
- Latin
- Introduced
- Unicode 1.1
- JavaScript
- "\u2160"
Appears in

About Roman Numeral One
Ⅰ is encoded in Unicode as code point U+2160 (decimal 8544). Its official Unicode name is ROMAN NUMERAL ONE.
It belongs to the Number Forms block (U+2150–U+218F), its General Category is Letter Number (Nl), and it was added in Unicode 1.1, released in 1993. Unicode assigns it to the Latin script.
Sources: Unicode Character Database 18.0.0.
How to type or insert Roman Numeral One
- Any device
- Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
- Microsoft Word
- Type
2160, then press Alt+X. - macOS Character Viewer
- Press Control+⌘+Space and search for “roman numeral one”.
- Linux (GTK and IBus)
- Press Ctrl+Shift+U, type
2160, then press Space. - HTML
Ⅰ. In a UTF-8 page you can also paste the character itself.- CSS
content: "\2160";in a::beforeor::afterrule.- JavaScript
"\u2160"
Common questions about Roman Numeral One
What is the Roman Numeral One symbol?
Ⅰ (Roman Numeral One) is a letter-based number in Unicode’s Number Forms block. Its code point is U+2160, and it has been part of the standard since Unicode 1.1 (1993).
How do I copy and paste the Roman Numeral One symbol?
Select Copy symbol at the top of this page, then paste with Ctrl+V on Windows and Linux or ⌘+V on a Mac. On a phone, tap Copy symbol, then touch and hold where you want it and choose Paste. Ⅰ pastes as ordinary text, so it works in documents, messages, and code.
How do I type the Roman Numeral One symbol on Windows?
In Microsoft Word, type 2160 and press Alt+X to turn the code into Ⅰ. In any app, open Character Map from the Start menu, search for “roman numeral one”, then select and copy the character.
How do I type the Roman Numeral One symbol on a Mac?
Press Control+⌘+Space to open the Character Viewer, search for “roman numeral one”, and double-click the result to insert it.
How do I type the Roman Numeral One symbol on an iPhone or Android phone?
The simplest way is to copy it from this page and paste it where you need it. If you use it often, save it as a text shortcut: on iPhone, go to Settings > General > Keyboard > Text Replacement; with Gboard on Android, go to Gboard settings > Dictionary > Personal dictionary.
Can I use the Roman Numeral One symbol in Word, Google Docs, and social media?
Yes. Ⅰ is a standard Unicode character, so you can paste it into Microsoft Word, Google Docs, emails, and posts or bios on Instagram, X, Facebook, and TikTok. In Google Docs you can also choose Insert > Special characters and search for “roman numeral one”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 2160 as the character code.
Is the Roman Numeral One symbol an emoji?
No. Ⅰ is a text symbol, not an emoji. It takes the color and size of the surrounding text, and its exact shape depends on the font.
Why does the Roman Numeral One symbol show as a box or question mark?
An empty box or a question mark means the font on that device has no glyph for Ⅰ. The character is still there: it appears correctly wherever a font covers Unicode’s Number Forms block, and free font families such as Google Noto cover nearly all of Unicode.
What are the HTML and CSS codes for the Roman Numeral One symbol?
In HTML, write Ⅰ (decimal) or Ⅰ (hexadecimal). In CSS, use content: "\2160"; in a ::before or ::after rule, and in JavaScript "\u2160". See all HTML codes.