# ∬ U+222C DOUBLE INTEGRAL

Double integral sign, two tall S shapes used in calculus for integrating over an area.

| | |
|---|---|
| Character | `∬` |
| Codepoint | U+222C |
| Name | DOUBLE INTEGRAL |
| Block | [Mathematical Operators](https://unicodekit.com/block/mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `&#8748;` `&#x222C;` |
| CSS | `\222C` |
| JavaScript | `\u222C` |
| UTF-8 | E2 88 AC |
| UTF-16 | 222C |
| Decomposition | compat U+222B U+222B |

## Related characters

- ∫ [U+222B INTEGRAL](https://unicodekit.com/char/222B)
- ∭ [U+222D TRIPLE INTEGRAL](https://unicodekit.com/char/222D)
- ∪ [U+222A UNION](https://unicodekit.com/char/222A)
- ∮ [U+222E CONTOUR INTEGRAL](https://unicodekit.com/char/222E)
- ∩ [U+2229 INTERSECTION](https://unicodekit.com/char/2229)
- ∯ [U+222F SURFACE INTEGRAL](https://unicodekit.com/char/222F)
- ∨ [U+2228 LOGICAL OR](https://unicodekit.com/char/2228)
- ∰ [U+2230 VOLUME INTEGRAL](https://unicodekit.com/char/2230)
- ∧ [U+2227 LOGICAL AND](https://unicodekit.com/char/2227)
- ∱ [U+2231 CLOCKWISE INTEGRAL](https://unicodekit.com/char/2231)
- ∦ [U+2226 NOT PARALLEL TO](https://unicodekit.com/char/2226)
- ∲ [U+2232 CLOCKWISE CONTOUR INTEGRAL](https://unicodekit.com/char/2232)

Page: https://unicodekit.com/char/222C · JSON: https://unicodekit.com/characters/222C
