Α
Capital Alpha Symbol (Α)
Copy the Capital Alpha symbol Α to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does Α mean?
Α is the capital form of Alpha, letter 1 of 24 in the Greek alphabet (pronounced AL-fa). Its lowercase counterpart is α. In science and maths it is used for: Angles, angular acceleration, significance level (α), alpha particles. Capital Alpha looks the same as the Latin capital A, so LaTeX has no separate command for it — write A (or \mathrm{A}) in math mode.
Codes and properties
| Character | Α |
|---|---|
| Unicode name | GREEK CAPITAL LETTER ALPHA |
| Code point | U+0391 |
| Decimal | 913 |
| Unicode block | Greek and Coptic |
| HTML entity | Α · Α · Α |
| CSS | \0391 |
| JavaScript / JSON | \u0391 |
| Python | \u0391 or \N{GREEK CAPITAL LETTER ALPHA} |
| UTF-8 bytes | CE 91 |
| LaTeX | A |
How to type Α
- Copy & paste: press the Copy button above, then paste Α anywhere — Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
0391then press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
0391; or press Ctrl+Cmd+Space and search “greek capital letter alpha”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
0391, then Space. - HTML:
Αrenders as Α. - LaTeX:
Ain math mode.
Frequently asked questions
How do I type Α on Windows?
In Microsoft Word type 0391 and press Alt+X. In any app press Win+. to open the symbol panel, or copy Α from this page.
What is the HTML code for Α?
Use Α or Α (hex) or Α (decimal).
What is the LaTeX command for Α?
Use A in math mode.