| Symbol Name | Up Down Double Arrow |
| Unicode Version | 1.1 |
| Unicode | U+21D5 |
| Unicode block | |
| General category | Other Symbol (So) |
| CSS Code | \21D5 |
| Hex Code | 0x21D5 |
| HTML Code | ⇕ |
| LaTeX | \Updownarrow |
| Symbol | ⇕ |
| URL encode (UTF-8 percent) | %E2%87%95 |
| Spoken / screen reader name | Up Down Double Arrow |
| UTF-8 | E2 87 95 |
| UTF-16 | 21D5 |
| UTF-32 | 000021D5 |
1\documentclass{article}2\usepackage{pifont}3\Updownarrow 4\end{document}You can type the up down double arrow symbol on most modern devices with the help of following methods:
Alt + 8661 on Windows (numeric keypad with Num Lock), or insert via Character Map.
Edit → Emoji & Symbols, search "up down double arrow", or use Unicode Hex Input with 21D5.
Ctrl + Shift + U, type 21d5, then Enter (layout-dependent).
Paste from this page, use text replacement, or pick from the symbol keyboard.
Paste from this page or use a keyboard with arrow symbol support.
1span.up-down-double-arrow::before { content: "\21D5"; }1<span>⇕</span>Up Down Double Arrow symbol's representation in different programming languages can be found in the table below:
| Language | Representation |
|---|---|
| JavaScript / TypeScript | '\u21D5' or String.fromCodePoint(8661) |
| Python | '\N{UP DOWN DOUBLE ARROW}' or chr(8661) |
| Rust | '\u{21D5}' |
| C / C++ | UTF-8 source or wchar_t with U+21D5 |
| Go | string(rune(0x21D5)) |
| Ruby | "\u{21D5}" |