Lambda Symbol codes and values
| Format | Value |
|---|---|
| Unicode | U+03BB |
| HTML (decimal) | λ |
| HTML (hex) | λ |
| HTML entity | λ |
| CSS | \03BB |
| JavaScript | \u03BB |
The official Unicode name is "Greek Small Letter Lamda".
How to type the lambda symbol
Windows
- In Microsoft Word, type
03BBand press Alt + X to turn the code into λ. - Or press Win + . to open the emoji and symbol panel and search for it.
Mac
- Press Control + Command + Space to open the Character Viewer and search for "greek small letter lamda".
- Or add the "Unicode Hex Input" keyboard in System Settings, hold Option and type
03BB.
Linux
- In GTK apps press Ctrl + Shift + U, type
03bband press Enter.
Web pages
Write λ or λ in HTML, or paste the character directly into a UTF-8 page.
Encoding details
| Encoding | Value |
|---|---|
| Code point | U+03BB (decimal 955) |
| UTF-8 bytes | CE BB |
| URL encoded | %CE%BB |
| Category | Ll |
What the lambda symbol means
Lambda represents wavelength in physics and decay constants in probability theory. Computer scientists also associate it with anonymous functions and foundational logic systems that underpin modern functional programming languages.
Using the lambda symbol well
Enter the character using Unicode U+03BB or the HTML entity λ. If you write code in languages that reserve this glyph for syntax, consult documentation to ensure your compiler accepts Unicode identifiers natively.
Characters next to it in Unicode
| Character | Code | Name |
|---|---|---|
| θ | U+03B8 | Greek Small Letter Theta |
| ι | U+03B9 | Greek Small Letter Iota |
| κ | U+03BA | Greek Small Letter Kappa |
| μ | U+03BC | Greek Small Letter Mu |
| ν | U+03BD | Greek Small Letter Nu |
| ξ | U+03BE | Greek Small Letter Xi |
FAQ
What is the Unicode for the lambda symbol?
The lambda symbol λ is U+03BB (Greek Small Letter Lamda).
How do I type λ on a keyboard?
There is no classic Alt code for it. On Windows type 03BB in Word and press Alt + X, on Mac use the Character Viewer, and on Linux press Ctrl + Shift + U then 03bb.
What is the HTML code for λ?
Use λ or the named entity λ. The hexadecimal form is λ.
More symbols
- ∈ Element of Symbol: previous page
- ¤ Currency Sign: next page
- Symbols to copy and paste: the full list