Intersection symbol (∩)
U+2229 · INTERSECTION · Unicode 1.1 (1993)
How to type ∩
Windows
Alt code (numeric keypad)
Alt+239
Turn on Num Lock, hold the Alt key, type 239 on the numeric keypad and let go of Alt: ∩ appears.
Uses the old DOS code page 437, which US-English Windows uses for Alt codes without a leading 0; on Windows set to other languages the result can differ.
Word and Outlook: Alt + X
2229 Alt+X
Type 2229 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 “intersection 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 ;inters.
- Now type ;inters 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 ;inters.
- Type ;inters in any app and tap ∩ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 2229 Enter
Press Ctrl+Shift+U, type 2229 and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ∩ means and how it is used
Intersection symbol (∩) is the Unicode character U+2229, officially called INTERSECTION. It is in the Mathematical Operators block and has been part of Unicode since version 1.1 (1993).
People also call it or search for it as: set.
On this site it is part of the math symbols (148 symbols), next to π ∞ √ ± ×.
Codes for HTML, CSS and JavaScript
Tap Copy next to the code you need.
| HTML entity | ∩ | |
|---|---|---|
| HTML decimal | ∩ | |
| HTML hex | ∩ | |
| CSS | content: "\2229"; | |
| JavaScript | \u2229 | |
| URL | %E2%88%A9 | |
| UTF-8 bytes | E2 88 A9 | |
| Unicode | U+2229 |
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.
- ∩Intersection symbolU+2229 · INTERSECTION
- ՈU+0548 · Armenian
- N-ary intersectionU+22C2 · N-ARY INTERSECTION · Mathematical Operators
- በU+1260 · Ethiopic
- ᑎU+144E · Unified Canadian Aboriginal Syllabics
- ꓵU+A4F5 · Lisu
- 𖫑U+16AD1 · Bassa Vah
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 | Intersection symbol |
| Português | Símbolo de interseção |
| Español | Símbolo de intersección |
| Italiano | Simbolo intersezione |
| Français | Symbole intersection |
| Deutsch | Schnittmengenzeichen |
| Türkçe | Kesişim sembolü |
| Bahasa Indonesia | Simbol irisan |
| Polski | Symbol części wspólnej |
| Русский | Знак пересечения |
| 日本語 | 積集合記号 (キャップ) |
| 한국어 | 교집합 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 2229 and press Alt+X.
What is the difference between ∩ and Ո?
∩ is the intersection symbol (U+2229). Ո is a different character: ո (U+0548, Armenian 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 ;inters.
What is the HTML code for the intersection symbol?
Use the entity ∩ or the numeric code ∩ (hex ∩). In CSS write \2229, in JavaScript \u2229.
Will ∩ show on every phone?
∩ has been in Unicode since version 1.1 (1993). Practically every phone, computer and app shows it.