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U+221D · Mathematical Operators

Proportional to ∝

Proportional to is the Unicode character U+221D (official name “PROPORTIONAL TO”) from the Mathematical Operators block. It belongs to SymbolHero’s math symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+221D
HTML∝
∝U+221D

Character codes

Unicode code pointU+221D
Decimal8733
HTML named entity∝
HTML (hex)∝
HTML (decimal)∝
CSS\221D
JavaScript\u221D
Python\u221D
UTF-8 bytesE2 88 9D
UTF-16221D
URL-encoded%E2%88%9D

Character details

Official namePROPORTIONAL TO
Unicode blockMathematical Operators
General categoryMath Symbol (Sm)
SymbolHero categoryMath Symbols
EmojiNo

How to type ∝

Windows

  • In Microsoft Word or Outlook: type 221D then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “proportional to”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “proportional to”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 221D.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert → Special characters, then search “proportional to” or enter U+221D.
  • HTML: ∝ or ∝
  • Excel / Google Sheets: =UNICHAR(8733)

Similar math symbols

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End of Proof
N-Ary Coproduct
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Dot Plus
Division Slash
Set Minus
Asterisk Operator
Ring Operator
Bullet Operator
Cube Root
Fourth Root
Angle
Measured Angle
Spherical Angle
Divides
Does Not Divide
Parallel to
Not Parallel to
Logical and
Logical or
Double Integral
Triple Integral
Contour Integral

See all 714 math symbols →

Questions

What is the Unicode for ∝?

It is U+221D (PROPORTIONAL TO), decimal 8733.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 221D then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “proportional to”, or copy it from this page.

What is the HTML code?

Use the named entity ∝ or the numeric reference ∝.