σ
Small Sigma Symbol σ
σ is GREEK SMALL LETTER SIGMA (U+03C3) in the Greek and Coptic block.
How to type σ
| Windows Alt code | Alt + 229Hold Alt and type the number on the numeric keypad. |
|---|---|
| Word (Windows) | 03C3 → Alt + XType the code, then press Alt + X. |
| Mac | Edit › Emoji & Symbols (Control + Command + Space), then searchSearch for “greek small 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 SMALL LETTER SIGMA |
|---|---|
| Code point | U+03C3 |
| Unicode block | Greek and Coptic |
| HTML entity | σ |
| HTML numeric | σ |
| CSS | content: "\03C3"; |
| JavaScript | "\u03C3" |
| Python | "\u03C3" · "\N{GREEK SMALL LETTER SIGMA}" |
| UTF-8 bytes | CF 83 |
Related symbols: Greek Letters
FAQ
How do I type σ on Windows?
Hold Alt and type 229 on the numeric keypad. In Word you can also type 03C3 and press Alt+X.
How do I type σ on a Mac?
Press Control + Command + Space and search for “greek small letter sigma”, or copy it from this page.
What is the HTML code for σ?
σ or σ. In CSS use content: "\03C3".
The exact look of a symbol depends on the font and device.