Integral symbol (∫)
U+222B · INTEGRAL · 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
222B Alt+X
Type 222B 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
Keyboard shortcut (U.S. layout)
⌥ Option+B
Press ⌥ Option+B to type ∫. This is on the standard U.S. and U.S. English Mac layouts.
Character Viewer
Ctrl+⌘ Cmd+Space
Press Ctrl+⌘+Space (or the Globe key + E), search for “integral 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 ;integr.
- Now type ;integr 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 ;integr.
- Type ;integr in any app and tap ∫ in the suggestions.
Linux
Unicode input
Ctrl+Shift+U 222b Enter
Press Ctrl+Shift+U, type 222b and press Enter or Space. Works in GTK apps and with IBus (GNOME, Ubuntu, Fedora).
What ∫ means and how it is used
The integral sign ∫ was introduced by Gottfried Wilhelm Leibniz in 1675 as an elongated S for summa, a sum. It marks integration, from areas under curves to physics formulas. Double ∬ and contour ∮ integrals have their own characters. On a Mac press Option+B.
The official Unicode name of ∫ is INTEGRAL, code point U+222B. 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: calculus.
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: "\222B"; | |
| JavaScript | \u222B | |
| URL | %E2%88%AB | |
| UTF-8 bytes | E2 88 AB | |
| Unicode | U+222B |
Will it show on my friend's phone?
Very likely yes: ∫ dates from Unicode 1.1 (1993), so every current system has a font for 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.
- ∫Integral symbolU+222B · INTEGRAL
- Latin small letter eshU+0283 · LATIN SMALL LETTER ESH · IPA Extensions
- ꭍU+AB4D · Latin Extended-E
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 | Integral symbol |
| Português | Símbolo de integral |
| Español | Símbolo de integral |
| Italiano | Simbolo integrale |
| Français | Symbole intégrale |
| Deutsch | Integralzeichen |
| Türkçe | İntegral sembolü |
| Bahasa Indonesia | Simbol integral |
| Polski | Symbol całki |
| Русский | Знак интеграла |
| 日本語 | 積分記号 (インテグラル) |
| 한국어 | 적분 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 222B and press Alt+X. On a Mac press ⌥ Option+B.
What is the difference between ∫ and ʃ?
∫ is the integral symbol (U+222B). ʃ is a different character: latin small letter esh (U+0283, IPA Extensions 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 ;integr.
What is the HTML code for the integral symbol?
Use the entity ∫ or the numeric code ∫ (hex ∫). In CSS write \222B, in JavaScript \u222B.
Will ∫ show on every phone?
Very likely yes: ∫ dates from Unicode 1.1 (1993), so every current system has a font for it.