Greek Small Letter Omicron
U+03BFGreek and Coptic
Also known as lowercase omicron
Copy and paste ο. The Greek Small Letter Omicron character has Unicode code point U+03BF and decimal HTML code ο.
Symbol codes
- Unicode
U+03BF- HTML Code
ο- CSS Code
\3BF- HTML Entity
ο- HEX Code
ο
Technical properties
Unicode 18.0.0
- Code point
- U+03BF
- Decimal
- 959
- Unicode name
- GREEK SMALL LETTER OMICRON
- Block
- Greek and Coptic · U+0370–U+03FF
- General category
- Lowercase Letter (Ll)
- Script
- Greek
- Introduced
- Unicode 1.1
- JavaScript
- "\u03BF"
Appears in
About Greek Small Letter Omicron
ο is encoded in Unicode as code point U+03BF (decimal 959). Its official Unicode name is GREEK SMALL LETTER OMICRON.
It belongs to the Greek and Coptic block (U+0370–U+03FF), its General Category is Lowercase Letter (Ll), and it was added in Unicode 1.1, released in 1993. Unicode assigns it to the Greek script.
Sources: Unicode Character Database 18.0.0, the HTML Standard’s list of named character references, and Unicode’s code page mappings.
How to type or insert Greek Small Letter Omicron
- Any device
- Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
- Microsoft Word
- Type
03BF, then press Alt+X. - macOS Character Viewer
- Press Control+⌘+Space and search for “greek small letter omicron”.
- Linux (GTK and IBus)
- Press Ctrl+Shift+U, type
03bf, then press Space. - HTML
οorο. In a UTF-8 page you can also paste the character itself.- CSS
content: "\3BF";in a::beforeor::afterrule.- JavaScript
"\u03BF"
Common questions about Greek Small Letter Omicron
What is the Greek Small Letter Omicron symbol?
ο (Greek Small Letter Omicron) is a lowercase letter in Unicode’s Greek and Coptic block. Its code point is U+03BF, and it has been part of the standard since Unicode 1.1 (1993). It is also known as lowercase omicron.
How do I copy and paste the Greek Small Letter Omicron 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. ο pastes as ordinary text, so it works in documents, messages, and code.
How do I type the Greek Small Letter Omicron symbol on Windows?
In Microsoft Word, type 03BF and press Alt+X to turn the code into ο. In any app, open Character Map from the Start menu, search for “greek small letter omicron”, then select and copy the character.
How do I type the Greek Small Letter Omicron symbol on a Mac?
Press Control+⌘+Space to open the Character Viewer, search for “greek small letter omicron”, and double-click the result to insert it.
How do I type the Greek Small Letter Omicron 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 Greek Small Letter Omicron symbol in Word, Google Docs, and social media?
Yes. ο 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 “greek small letter omicron”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 03BF as the character code.
Is the Greek Small Letter Omicron symbol an emoji?
No. ο 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 Greek Small Letter Omicron 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 ο. The character is still there: it appears correctly wherever a font covers Unicode’s Greek and Coptic block, and free font families such as Google Noto cover nearly all of Unicode.
What are the HTML and CSS codes for the Greek Small Letter Omicron symbol?
In HTML, write ο (decimal) or ο (hexadecimal), or the named entity ο. In CSS, use content: "\3BF"; in a ::before or ::after rule, and in JavaScript "\u03BF". See all HTML codes.