Parallel To

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

Symbol: ∥
Unicode: U+2225
HTML entity: ∥
Category: Math Symbols

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30 of 58 in the math symbols collection

About the parallel to symbol

Represented by two identical vertical lines, the Parallel To symbol is a mathematical operator used to indicate that two lines or planes maintain a constant distance and never intersect. In professional and academic contexts, it is typically read aloud as "is parallel to." While it shares a similar appearance to a double pipe or a caesura, it is categorized specifically within the block of symbols reserved for mathematical notation to ensure proper spacing and alignment in technical typesetting.

This character appears most frequently in geometry and linear algebra to define relationships between vectors or geometric figures, such as stating that line AB is parallel to line CD. Beyond geometry, it is often employed in physics and engineering to represent components in a parallel circuit. In some specialized phonetic or linguistic transcriptions, it may also be used to denote extra-short pauses or specific prosodic breaks within a sequence of speech.

How to type Parallel 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 2225 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 2225.
Or: Control + Command + Space opens the Character Viewer — search by name.