η
Eta Symbol (η)
Copy the Eta symbol η to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does η mean?
η is the lowercase form of Eta, letter 7 of 24 in the Greek alphabet (pronounced AY-ta). Its capital counterpart is Η. In science and maths it is used for: Efficiency, viscosity, refractive index.
Codes and properties
| Character | η |
|---|---|
| Unicode name | GREEK SMALL LETTER ETA |
| Code point | U+03B7 |
| Decimal | 951 |
| Unicode block | Greek and Coptic |
| HTML entity | η · η · η |
| CSS | \03B7 |
| JavaScript / JSON | \u03B7 |
| Python | \u03B7 or \N{GREEK SMALL LETTER ETA} |
| UTF-8 bytes | CE B7 |
| LaTeX | \eta |
How to type η
- Copy & paste: press the Copy button above, then paste η anywhere — Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
03B7then press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
03B7; or press Ctrl+Cmd+Space and search “greek small letter eta”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
03b7, then Space. - HTML:
ηrenders as η. - LaTeX:
\etain math mode (amssymb package for some symbols).
Frequently asked questions
How do I type η on Windows?
In Microsoft Word type 03B7 and press Alt+X. In any app press Win+. to open the symbol panel, or copy η from this page.
What is the HTML code for η?
Use η or η (hex) or η (decimal).
What is the LaTeX command for η?
Use \eta in math mode.