Σ
Capital Sigma Symbol Σ
Σ is GREEK CAPITAL LETTER SIGMA (U+03A3) in the Greek and Coptic block.
How to type Σ
| Windows Alt code | Alt + 228Hold Alt and type the number on the numeric keypad. |
|---|---|
| Word (Windows) | 03A3 → Alt + XType the code, then press Alt + X. |
| Mac | Edit › Emoji & Symbols (Control + Command + Space), then searchSearch for “greek capital letter sigma”. |
| iPhone / Android | Copy it from this page and paste. Most phone keyboards do not have it. |
Σ Unicode and HTML codes
| Unicode name | GREEK CAPITAL LETTER SIGMA |
|---|---|
| Code point | U+03A3 |
| Unicode block | Greek and Coptic |
| HTML entity | Σ |
| HTML numeric | Σ |
| CSS | content: "\03A3"; |
| JavaScript | "\u03A3" |
| Python | "\u03A3" · "\N{GREEK CAPITAL LETTER SIGMA}" |
| UTF-8 bytes | CE A3 |
Related symbols: Greek Letters
FAQ
How do I type Σ on Windows?
Hold Alt and type 228 on the numeric keypad. In Word you can also type 03A3 and press Alt+X.
How do I type Σ on a Mac?
Press Control + Command + Space and search for “greek capital letter sigma”, or copy it from this page.
What is the HTML code for Σ?
Σ or Σ. In CSS use content: "\03A3".
The exact look of a symbol depends on the font and device.