Union symbol (∪)
U+222A · UNION · 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
222A Alt+X
Type 222A 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 “union 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 ;union.
- Now type ;union 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 ;union.
- Type ;union in any app and tap ∪ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 222a Enter
Press Ctrl+Shift+U, type 222a and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ∪ means and how it is used
The official Unicode name of ∪ is UNION, code point U+222A. You will find it in the Mathematical Operators block; it was added in Unicode 1.1 (1993).
It also goes by these names and keywords: collection, set.
It sits in the math symbols with 148 symbols, among them π ∞ √ ± ×.
Codes for HTML, CSS and JavaScript
Tap Copy next to the code you need.
| HTML entity | ∪ | |
|---|---|---|
| HTML decimal | ∪ | |
| HTML hex | ∪ | |
| CSS | content: "\222A"; | |
| JavaScript | \u222A | |
| URL | %E2%88%AA | |
| UTF-8 bytes | E2 88 AA | |
| Unicode | U+222A |
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…
Don't confuse ∪ with
These look alike but are different characters. Search, sorting and screen readers treat them differently, so copy the one you mean.
- ∪Union symbolU+222A · UNION
- UU+0055 · Basic Latin
- N-ary unionU+22C3 · N-ARY UNION · Mathematical Operators
- ՍU+054D · Armenian
- ሀU+1200 · Ethiopic
- ᑌU+144C · Unified Canadian Aboriginal Syllabics
- ꓴU+A4F4 · Lisu
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 | Union symbol |
| Português | Símbolo de união |
| Español | Símbolo de unión |
| Italiano | Simbolo unione |
| Français | Symbole union |
| Deutsch | Vereinigungszeichen |
| Türkçe | Birleşim sembolü |
| Bahasa Indonesia | Simbol gabungan |
| Polski | Symbol sumy zbiorów |
| Русский | Знак объединения |
| 日本語 | 和集合記号 (カップ) |
| 한국어 | 합집합 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 222A and press Alt+X.
What is the difference between ∪ and U?
∪ is the union symbol (U+222A). U is a different character: u (U+0055, Basic Latin block). They can look alike, but computers treat them as different letters, so a search for one will not find the other.
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 ;union.
What is the HTML code for the union symbol?
Use the entity ∪ or the numeric code ∪ (hex ∪). In CSS write \222A, in JavaScript \u222A.
Will ∪ show on every phone?
∪ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.