Greek Capital Letter Sigma
The greek capital letter sigma (Σ) sits at code point U+03A3 in Unicode. It belongs to the math family and pastes as plain text, so it keeps working across documents, messages and web pages. Below you can copy it in one click and grab the exact HTML, CSS and JavaScript codes you need to reproduce it anywhere.
| Symbol | Σ | |
|---|---|---|
| Unicode | U+03A3 | |
| Name | Greek Capital Letter Sigma | |
| HTML (named) | Σ | |
| HTML (decimal) | Σ | |
| HTML (hex) | Σ | |
| CSS content | \03A3 | |
| JavaScript / JSON | \u03A3 | |
| UTF-8 bytes | 0xCE 0xA3 | |
| UTF-16 units | 0x03A3 |
How to type the greek capital letter sigma symbol
- Copy and paste: click the Σ at the top of this page, then paste with Ctrl+V (Windows) or Cmd+V (Mac). This is the fastest route on any device.
- HTML: write
Σor the named entityΣin your markup. - CSS: use
content: "\03A3"in a::beforeor::afterrule. - JavaScript: the escape
\u03A3produces this character in a string.
Frequently asked questions
How do I copy the greek capital letter sigma symbol?
Click the Σ above or the copy button and it is placed on your clipboard. Paste it anywhere with Ctrl+V or Cmd+V. It is a real text character, so it works in documents, chats and code.
What is the Unicode code point for greek capital letter sigma?
The greek capital letter sigma has the Unicode code point U+03A3. In HTML you can write it as Σ or Σ, or with the named entity Σ.
Can I use the greek capital letter sigma symbol in HTML and CSS?
Yes. In HTML write Σ or the named entity Σ, and in CSS use content: "\03A3" inside a ::before or ::after rule. The code table on this page has copy buttons for both.
Related symbols
Browse the full math symbols hub, or return to the searchable symbol grid.