Alpha symbol

Copy α with one tap or type it with Alt + 224.

Tap to copyGreek small letter alpha
U+03B1

Alpha symbol and related symbols

Tap any symbol to copy it.

SymbolNameCodeHTMLWindowsMacLaTeX
Greek small letter alphaU+03B1αAlt + 224\alpha
Greek capital letter alphaU+0391Α
Apl functional symbol alphaU+237A⍺
Proportional toU+221D∝\propto

Meaning of α

Alpha α is the first Greek letter. It names angles, significance levels in statistics and alpha particles. Do not confuse it with ∝, the proportional sign.

Common uses: math, statistics, physics and finance.

Unicode name
Greek Small Letter Alpha
Code point
U+03B1
Windows
Alt + 224
Mac
Character Viewer

Typing α on any device

Copy and paste

Use the box at the top of the page for α, or the table for its relatives.

Windows

Hold Alt and type 224 on the number pad, then let go of Alt. In Word, type 03B1 and press Alt + X. In other apps, the emoji panel (Windows key + .) has a symbols tab you can search.

Mac

Or press Control + Command + Space to open the Character Viewer and search for it.

iPhone and Android

Long press a related key on some keyboards to find α. If yours does not have it, copy it here and paste it where you need it.

HTML

Use α or α.

LaTeX

Use \alpha in math mode.

Questions people ask

How do I type α on a keyboard?

On Windows, hold Alt and type 224 on the number pad. Mac users can find it in the Character Viewer (Control + Command + Space).

What is the Unicode code point for α?

U+03B1, named GREEK SMALL LETTER ALPHA in the Unicode standard.

What does α mean?

Alpha α is the first Greek letter. It names angles, significance levels in statistics and alpha particles. Do not confuse it with ∝, the proportional sign.

Where is α used?

Math, statistics, physics and finance.

More symbols

Updated November 13, 2026