# ⟺ U+27FA LONG LEFT RIGHT DOUBLE ARROW

Long double-line arrow pointing both ways, the logic 'if and only if' iff equivalence symbol.

| | |
|---|---|
| Character | `⟺` |
| Codepoint | U+27FA |
| Name | LONG LEFT RIGHT DOUBLE ARROW |
| Block | [Supplemental Arrows-A](https://unicodekit.com/block/supplemental-arrows-a) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 3.2 |
| HTML | `⟺` `⟺` |
| CSS | `\27FA` |
| JavaScript | `\u27FA` |
| UTF-8 | E2 9F BA |
| UTF-16 | 27FA |

## Related characters

- ⟹ [U+27F9 LONG RIGHTWARDS DOUBLE ARROW](https://unicodekit.com/char/27F9)
- ⟻ [U+27FB LONG LEFTWARDS ARROW FROM BAR](https://unicodekit.com/char/27FB)
- ⟸ [U+27F8 LONG LEFTWARDS DOUBLE ARROW](https://unicodekit.com/char/27F8)
- ⟼ [U+27FC LONG RIGHTWARDS ARROW FROM BAR](https://unicodekit.com/char/27FC)
- ⟷ [U+27F7 LONG LEFT RIGHT ARROW](https://unicodekit.com/char/27F7)
- ⟽ [U+27FD LONG LEFTWARDS DOUBLE ARROW FROM BAR](https://unicodekit.com/char/27FD)
- ⟶ [U+27F6 LONG RIGHTWARDS ARROW](https://unicodekit.com/char/27F6)
- ⟾ [U+27FE LONG RIGHTWARDS DOUBLE ARROW FROM BAR](https://unicodekit.com/char/27FE)
- ⟵ [U+27F5 LONG LEFTWARDS ARROW](https://unicodekit.com/char/27F5)
- ⟿ [U+27FF LONG RIGHTWARDS SQUIGGLE ARROW](https://unicodekit.com/char/27FF)
- ⟴ [U+27F4 RIGHT ARROW WITH CIRCLED PLUS](https://unicodekit.com/char/27F4)
- ⟳ [U+27F3 CLOCKWISE GAPPED CIRCLE ARROW](https://unicodekit.com/char/27F3)

Page: https://unicodekit.com/char/27FA · JSON: https://unicodekit.com/characters/27FA