∮
Contour Integral Symbol (∮)
Copy the Contour 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 contour integral ∮ integrates around a closed curve, as in Ampère’s and Faraday’s laws or complex analysis. Its official Unicode name is CONTOUR INTEGRAL.
Codes and properties
| Character | ∮ |
|---|---|
| Unicode name | CONTOUR INTEGRAL |
| Code point | U+222E |
| Decimal | 8750 |
| Unicode block | Mathematical Operators |
| HTML entity | ∮ · ∮ |
| CSS | \222E |
| JavaScript / JSON | \u222E |
| Python | \u222E or \N{CONTOUR INTEGRAL} |
| UTF-8 bytes | E2 88 AE |
| LaTeX | \oint |
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
222Ethen press Alt+X. In any app, Win+. opens the symbol panel. - Mac: switch to the Unicode Hex Input keyboard, hold Option and type
222E; or press Ctrl+Cmd+Space and search “contour integral”. - Linux (GTK/IBus): press Ctrl+Shift+U, type
222e, then Space. - HTML:
∮renders as ∮. - LaTeX:
\ointin math mode (amssymb package for some symbols).
Frequently asked questions
How do I type ∮ on Windows?
In Microsoft Word type 222E 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 ∮?
Use \oint in math mode.