∯
Surface Integral Symbol (∯)
Copy the Surface Integral symbol ∯ to your clipboard, and see its Unicode code point, HTML entity, LaTeX command and how to type it on any device.
What does ∯ mean?
The surface integral ∯ integrates over a closed surface, as in Gauss’s law ∯ E·dA = Q/ε₀. Its official Unicode name is SURFACE INTEGRAL.
Codes and properties
| Character | ∯ |
|---|---|
| Unicode name | SURFACE INTEGRAL |
| Code point | U+222F |
| Decimal | 8751 |
| Unicode block | Mathematical Operators |
| HTML entity | ∯ · ∯ |
| CSS | \222F |
| JavaScript / JSON | \u222F |
| Python | \u222F or \N{SURFACE INTEGRAL} |
| UTF-8 bytes | E2 88 AF |
| LaTeX | paste ∯ with unicode-math (XeLaTeX/LuaLaTeX) |
How to type ∯
- Copy & paste: press the Copy button above, then paste ∯ anywhere — Word, Google Docs, email, chat or code.
- Windows (Word, WordPad, Outlook): type
222Fthen press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
222F; or press Ctrl+Cmd+Space and search “surface integral”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
222f, then Space. - HTML:
∯renders as ∯. - LaTeX: standard LaTeX has no dedicated command; compile with XeLaTeX or LuaLaTeX and the unicode-math package, then paste ∯ directly.
Frequently asked questions
How do I type ∯ on Windows?
In Microsoft Word type 222F and press Alt+X. In any app press Win+. to open the symbol panel, or copy ∯ from this page.
What is the HTML code for ∯?
Use ∯ (hex) or ∯ (decimal).
What is the LaTeX command for ∯?
There is no standard command; use XeLaTeX or LuaLaTeX with unicode-math and paste ∯ directly.