Language

Triple Integral

U+222DMathematical Operators

Also known as triple integral sign

Copy and paste ∭. The Triple Integral character has Unicode code point U+222D and decimal HTML code ∭.

Symbol codes

Unicode
U+222D
HTML Code
∭
CSS Code
\222D
HTML Entity
∭
HEX Code
∭

Technical properties

Unicode 18.0.0

Code point
U+222D
Decimal
8749
Unicode name
TRIPLE INTEGRAL
Block
Mathematical Operators · U+2200–U+22FF
General category
Math Symbol (Sm)
Script
Common
Introduced
Unicode 1.1
JavaScript
"\u222D"

Appears in

About Triple Integral

∭ is encoded in Unicode as code point U+222D (decimal 8749). Its official Unicode name is TRIPLE INTEGRAL.

It belongs to the Mathematical Operators block (U+2200–U+22FF), its General Category is Math Symbol (Sm), and it was added in Unicode 1.1, released in 1993. Its script value is Common: it is shared across writing systems rather than belonging to one.

Sources: Unicode Character Database 18.0.0, the HTML Standard’s list of named character references, and Unicode’s code page mappings.

How to type or insert Triple Integral

Any device
Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
Microsoft Word
Type 222D, then press Alt+X.
macOS Character Viewer
Press Control+⌘+Space and search for “triple integral”.
Linux (GTK and IBus)
Press Ctrl+Shift+U, type 222d, then press Space.
HTML
∭ or ∭. In a UTF-8 page you can also paste the character itself.
CSS
content: "\222D"; in a ::before or ::after rule.
JavaScript
"\u222D"

Common questions about Triple Integral

What is the Triple Integral symbol?

∭ (Triple Integral) is a math symbol in Unicode’s Mathematical Operators block. Its code point is U+222D, and it has been part of the standard since Unicode 1.1 (1993). It is also known as triple integral sign.

How do I copy and paste the Triple Integral symbol?

Select Copy symbol at the top of this page, then paste with Ctrl+V on Windows and Linux or ⌘+V on a Mac. On a phone, tap Copy symbol, then touch and hold where you want it and choose Paste. ∭ pastes as ordinary text, so it works in documents, messages, and code.

How do I type the Triple Integral symbol on Windows?

In Microsoft Word, type 222D and press Alt+X to turn the code into ∭. In any app, open Character Map from the Start menu, search for “triple integral”, then select and copy the character.

How do I type the Triple Integral symbol on a Mac?

Press Control+⌘+Space to open the Character Viewer, search for “triple integral”, and double-click the result to insert it.

How do I type the Triple Integral symbol on an iPhone or Android phone?

The simplest way is to copy it from this page and paste it where you need it. If you use it often, save it as a text shortcut: on iPhone, go to Settings > General > Keyboard > Text Replacement; with Gboard on Android, go to Gboard settings > Dictionary > Personal dictionary.

Can I use the Triple Integral symbol in Word, Google Docs, and social media?

Yes. ∭ is a standard Unicode character, so you can paste it into Microsoft Word, Google Docs, emails, and posts or bios on Instagram, X, Facebook, and TikTok. In Google Docs you can also choose Insert > Special characters and search for “triple integral”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 222D as the character code.

Is the Triple Integral symbol an emoji?

No. ∭ is a text symbol, not an emoji. It takes the color and size of the surrounding text, and its exact shape depends on the font.

Why does the Triple Integral symbol show as a box or question mark?

An empty box or a question mark means the font on that device has no glyph for ∭. The character is still there: it appears correctly wherever a font covers Unicode’s Mathematical Operators block, and free font families such as Google Noto cover nearly all of Unicode.

What are the HTML and CSS codes for the Triple Integral symbol?

In HTML, write ∭ (decimal) or ∭ (hexadecimal), or the named entity ∭. In CSS, use content: "\222D"; in a ::before or ::after rule, and in JavaScript "\u222D". See all HTML codes.