# ∰ U+2230 VOLUME INTEGRAL

Triple integral with a circle through it, the closed volume integral in calculus notation.

| | |
|---|---|
| Character | `∰` |
| Codepoint | U+2230 |
| Name | VOLUME INTEGRAL |
| Block | [Mathematical Operators](https://unicodekit.com/block/mathematical-operators) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `∰` `∰` |
| CSS | `\2230` |
| JavaScript | `\u2230` |
| UTF-8 | E2 88 B0 |
| UTF-16 | 2230 |
| Decomposition | compat U+222E U+222E U+222E |

## Related characters

- ∯ [U+222F SURFACE INTEGRAL](https://unicodekit.com/char/222F)
- ∱ [U+2231 CLOCKWISE INTEGRAL](https://unicodekit.com/char/2231)
- ∮ [U+222E CONTOUR INTEGRAL](https://unicodekit.com/char/222E)
- ∲ [U+2232 CLOCKWISE CONTOUR INTEGRAL](https://unicodekit.com/char/2232)
- ∭ [U+222D TRIPLE INTEGRAL](https://unicodekit.com/char/222D)
- ∳ [U+2233 ANTICLOCKWISE CONTOUR INTEGRAL](https://unicodekit.com/char/2233)
- ∬ [U+222C DOUBLE INTEGRAL](https://unicodekit.com/char/222C)
- ∴ [U+2234 THEREFORE](https://unicodekit.com/char/2234)
- ∫ [U+222B INTEGRAL](https://unicodekit.com/char/222B)
- ∵ [U+2235 BECAUSE](https://unicodekit.com/char/2235)
- ∪ [U+222A UNION](https://unicodekit.com/char/222A)
- ∶ [U+2236 RATIO](https://unicodekit.com/char/2236)

Page: https://unicodekit.com/char/2230 · JSON: https://unicodekit.com/characters/2230