β

Beta Symbol (β)

Copy the Beta symbol β to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.

What does β mean?

Beta labels angles (often the second angle after α), beta particles and beta decay in nuclear physics, the beta coefficient that measures an asset’s volatility in finance and the slope in regression, and the Type II error rate in statistics. β is the lowercase form of Beta, letter 2 of 24 in the Greek alphabet (pronounced BAY-ta). Its capital counterpart is Β. In science and maths it is used for: Angles, beta particles, beta coefficient in finance and regression.

Codes and properties

Characterβ
Unicode nameGREEK SMALL LETTER BETA
Code pointU+03B2
Decimal946
Unicode blockGreek and Coptic
HTML entityβ · β · β
CSS\03B2
JavaScript / JSON\u03B2
Python\u03B2 or \N{GREEK SMALL LETTER BETA}
UTF-8 bytesCE B2
LaTeX\beta

How to type β

  • Copy & paste: press the Copy button above, then paste β anywhere — Word, Google Docs, email, chat or code.
  • Windows (Word, WordPad, Outlook): type 03B2 then press Alt+X. In any app, Win+. opens the symbol panel.
  • Mac: switch to the Unicode Hex Input keyboard, hold Option and type 03B2; or press Ctrl+Cmd+Space and search “greek small letter beta”.
  • Linux (GTK/IBus): press Ctrl+Shift+U, type 03b2, then Space.
  • HTML: β renders as β.
  • LaTeX: \beta in math mode (amssymb package for some symbols).

Frequently asked questions

What is β in finance?

Beta measures how much a stock moves relative to the market; a beta above 1 is more volatile than the market.

What is beta decay?

A radioactive process in which a beta particle (an electron or positron) is emitted from an atomic nucleus.

How do I type β on Windows?

In Microsoft Word type 03B2 and press Alt+X. In any app press Win+. to open the symbol panel, or copy β from this page.

What is the HTML code for β?

Use β or β (hex) or β (decimal).

What is the LaTeX command for β?

Use \beta in math mode.

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