Unicode Character "⇄" (U+21C4)

The character (Rightwards Arrow Over Leftwards Arrow) is represented by the Unicode codepoint U+21C4. It is encoded in the Arrows block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ⇄.

Main Unicode Properties

Name Rightwards Arrow Over Leftwards Arrow
Unicode Codepoint U+21C4
Unicode Version 1.1 (June, 1993)
Block Arrows
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? No

Other Unicode Data

Category Other Symbol
Script Code for undetermined script
Combining Class Not Reordered

U+21C4 Conversion

HTML (decimal) ⇄
HTML (hex) ⇄
HTML (named) ⇄
URL Escape Code %E2%87%84
CSS \0021C4
JavaScript, JSON \u21C4
C, C++, Java \u21C4
Python \u21C4
Rust \u{21C4}
Ruby \u21C4

How to type "⇄"

  • Windows ?: Hold Alt, then type 2 1 C 4. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 1 C 4. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x87 0x84
UTF-16 (hex) 0x21C4
UTF-32 (hex) 0x000021C4