Contour Integral is the Unicode character ∮ at codepoint U+222E in the Mathematical Operators block of the Basic Multilingual Plane (BMP). Click the character above to copy it to your clipboard — or use one of the
encodings below to embed it in HTML, CSS, JavaScript, Python or plain text.
Technical Reference
| Unicode Codepoint | |
| Decimal | |
| UTF-8 (hex) | |
| UTF-16 (hex) | |
| HEX Entity | |
| HTML Entity | |
| CSS (\xxxx) | |
| JavaScript | |
| Python |
How to Use Contour Integral
To use the Contour Integral symbol (∮) in HTML, insert the
entity ∮ directly into your markup. The decimal entity ∮ works in any HTML-serialised document.
In CSS pseudo-elements use content: '\222E';.
In JavaScript and TypeScript the escape '\u222E' evaluates to ∮. In Python source, write '\u222E'.
The character encodes to E2 88 AE as UTF-8 bytes and 222E as UTF-16 code units. Its decimal codepoint is 8750.
This is a text-based Unicode character. It will render in the current font on most platforms. If a font lacks this glyph, the browser may show a placeholder or fall back to a system font.