Long Left Right Arrow Symbol

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

Symbol: ⟷
Unicode: U+27F7
HTML entity: ⟷
Category: Arrow Symbols

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57 of 84 in the arrow symbols collection

About the long left right arrow symbol

The Long Left Right Arrow is a mathematical symbol that extends the standard bidirectional arrow into a longer form, with a horizontal line capped by arrowheads pointing both left and right. It belongs to the Supplemental Arrows A block and is classified as a math symbol, used primarily in technical notation to denote a bidirectional relationship or equivalence that spans a wider space in an equation or diagram. In formal writing, it often appears in logic or set theory to express a two-way implication or mapping that is too long for the shorter left-right arrow.

How to type Long Left Right Arrow

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 27F7 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 27F7.
Or: Control + Command + Space opens the Character Viewer — search by name.