Proportional to symbol (∝)
U+221D · PROPORTIONAL TO · Unicode 1.1 (1993)
How to type ∝
Windows
No Alt code
∝ is not in the Windows code pages 1252 or 437, so it has no Alt code. Use one of the methods below or copy it from this page.
Word and Outlook: Alt + X
221D Alt+X
Type 221D and press Alt+X right after it: Word turns the code into ∝. Press Alt+X again to turn it back into the code.
Emoji and symbols panel (Windows 10 and 11)
Win+.
Press Win + full stop (.) to open the panel, go to the Symbols tab (Ω) and pick ∝.
No numeric keypad on your laptop? See the other ways in our Alt codes guide.
Mac
Character Viewer
Ctrl+⌘ Cmd+Space
Press Ctrl+⌘+Space (or the Globe key + E), search for “proportional to symbol” and click ∝ to insert it.
iPhone
Make a shortcut (Text Replacement)
Turn a short word into ∝ once and type it in any app:
- Copy ∝ from this page.
- Open Settings › General › Keyboard › Text Replacement and tap +.
- Paste ∝ as the Phrase and type a Shortcut, for example ;proportion.
- Now type ;proportion anywhere: the keyboard suggests ∝.
Android
Make a shortcut (Gboard personal dictionary)
Teach your keyboard a short word that turns into ∝:
- Copy ∝ from this page.
- Open Gboard settings › Dictionary › Personal dictionary, choose your language and tap +.
- Paste ∝ as the word and type a shortcut, for example ;proportion.
- Type ;proportion in any app and tap ∝ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 221d Enter
Press Ctrl+Shift+U, type 221d and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ∝ means and how it is used
In Unicode, ∝ is code point U+221D with the official name PROPORTIONAL TO. It belongs to the Mathematical Operators block and arrived with Unicode 1.1 in 1993.
Other words for it: proportionality.
You will find it in our math, 148 symbols in all, together with π ∞ √ ± ×.
Codes for HTML, CSS and JavaScript
Tap Copy next to the code you need.
| HTML entity | ∝ | |
|---|---|---|
| HTML decimal | ∝ | |
| HTML hex | ∝ | |
| CSS | content: "\221D"; | |
| JavaScript | \u221D | |
| URL | %E2%88%9D | |
| UTF-8 bytes | E2 88 9D | |
| Unicode | U+221D |
Will it show on my friend's phone?
∝ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.
Checking your device…
Names in other languages
What ∝ is called in the 12 languages of this site (Unicode CLDR and our editors). Tap a name to open that language's page.
| Language | Name |
|---|---|
| English | Proportional to symbol |
| Português | Símbolo de proporcional |
| Español | Símbolo de proporcional |
| Italiano | Simbolo proporzionale |
| Français | Symbole proportionnel |
| Deutsch | Proportionalitätszeichen |
| Türkçe | Orantılı işareti |
| Bahasa Indonesia | Simbol sebanding |
| Polski | Symbol proporcjonalności |
| Русский | Знак пропорциональности |
| 日本語 | 比例記号 |
| 한국어 | 비례 기호 |
Related symbols
All Math →Questions people ask
How do I type ∝ on a laptop without a numeric keypad?
On Windows press Win + full stop (.) and pick ∝ in the Symbols tab, or in Word type 221D and press Alt+X.
How do I type ∝ on an iPhone?
The iPhone keyboard has no key for ∝. Copy it here, then add it in Settings › General › Keyboard › Text Replacement with a shortcut like ;proportion.
What is the HTML code for the proportional to symbol?
Use the entity ∝ or the numeric code ∝ (hex ∝). In CSS write \221D, in JavaScript \u221D.
Will ∝ show on every phone?
∝ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.