↹

Technical information

Symbol↹
NameLeftwards arrow to bar over rightwards arrow to bar
Unicode numberU+21B9
CategoryKeyboard symbolsKeyboard symbols
DescriptionThe Unicode character ↹, or U+21B9, is known as the "Leftwards Arrow to Bar Over Rightwards Arrow to Bar". It belongs to the "Arrows" block and falls under the "Symbol, Math" category in the Unicode standard. This character is a graphic representation of a leftwards arrow above a rightwards arrow, each pointing to a vertical bar. It can be used in digital communications to represent certain logical or mathematical operations, or to signify bi-directional processes or transitions in diagrams. The specific appearance and usage of this character can depend on the system and application it's being used in.

Encoding

HTML Entity↹
HTML Entity (hex)↹
URL Escape Code%E2%86%B9
UTF-8 (hex)0xE2 0x86 0xB9
UTF-8 (binary)11100010:10000110:10111001
UTF-160x21B9
UTF-320x000021B9

Source Code

C, C++, and Java"\u21B9"
CSS Code\21B9
JavaScript"\u21B9"
Perl\x{21B9}
Python 2u"\u21B9"
Python 3\u21B9
Ruby\u{21B9}

Preview

This Unicode character looks like this ↹ in sentence and in bold like this ↹ and in italic like this ↹.

Font size:

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12px
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16px
↹
20px
↹
28px
↹
36px
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48px
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72px

CSS Property: font-weight

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100
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200
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300
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400
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500
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600
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700
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800
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900

HTML Forms and Input

input
disabled input
↹
input-group
select
button
button

Code examples in HTML and CSS

<span>&#8633;</span>

            
span {
    content: "\21B9";
}

The symbol in different fonts

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-apple-system
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Apple Color Emoji
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Arial
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BlinkMacSystemFont
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Courier New
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Georgia
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Droid Sans
↹
Helvetica
↹
Noto Sans
↹
Oxygen
↹
Roboto
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"Segoe UI"
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sans-serif
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Segoe UI Emoji
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Segoe UI Symbol
↹
system-ui
↹
Times New Roman
↹
Ubuntu
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Verdana

References