∯

Surface Integral

Unicode: U+222F

HTML: ∯

About this Symbol

The Surface Integral symbol (∯) is a Unicode character with code point U+222F. It belongs to the Mathematical Operators category of Unicode symbols.

Usage Examples

  • Plain text: ∯
  • HTML: ∯
  • Unicode: U+222F

How to Type

Windows

Hold Alt and type 8751 on the numeric keypad.

macOS

Press Command + Control + Space to open the Character Viewer, then search for "Surface Integral".

Related Symbols

∑ ∏ ∐ √ ∛ ∜