Approximately Equal To Symbol

A symbol from the Math Symbols collection. Click the symbol or the button below to copy.

Math Symbols collection

Symbol: ≅
Unicode: U+2245
HTML entity: &cong;
Category: Math Symbols

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49 of 96 in the math symbols collection

About the approximately equal to symbol

The glyph combines a tilde-like wavy line with a short horizontal bar beneath it, resembling an equals sign whose top line has been replaced by a wave. It represents an approximation that is also an equality, indicating that two quantities are not exactly equal but are close enough to be considered equivalent for a given purpose, such as in geometry to denote congruence of shapes or in algebra to express an approximate identity.

How to type Approximately Equal To

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 2245 then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 2245.
Or: Control + Command + Space opens the Character Viewer — search by name.