Language

Subscript Two

U+2082Superscripts and Subscripts

Also known as subscript 2lowered 2

Copy and paste ₂. The Subscript Two character has Unicode code point U+2082 and decimal HTML code ₂.

Symbol codes

Unicode
U+2082
HTML Code
₂
CSS Code
\2082
HEX Code
₂

Technical properties

Unicode 18.0.0

Code point
U+2082
Decimal
8322
Unicode name
SUBSCRIPT TWO
Block
Superscripts and Subscripts · U+2070–U+209F
General category
Other Number (No)
Script
Common
Introduced
Unicode 1.1
JavaScript
"\u2082"

Appears in

Illustration of the Subscript Two symbol

About Subscript Two

Subscript two is a lowered form of the digit 2 used in plain text for chemical formulas, mathematical indices, and compact labels.

₂ is encoded in Unicode as code point U+2082 (decimal 8322). Its official Unicode name is SUBSCRIPT TWO.

It belongs to the Superscripts and Subscripts block (U+2070–U+209F), its General Category is Other Number (No), 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.

Common uses

  • Writing the number of atoms in a chemical formula
  • Writing a second indexed variable in plain text

Examples

Chemical formula
H₂O
Indexed variable
x₂

Sources: Unicode Character Database 18.0.0.

How to type or insert Subscript Two

Any device
Select Copy symbol, then paste with Ctrl+V, or ⌘+V on a Mac.
Microsoft Word
Type 2082, then press Alt+X.
macOS Character Viewer
Press Control+⌘+Space and search for “subscript two”.
Linux (GTK and IBus)
Press Ctrl+Shift+U, type 2082, then press Space.
HTML
₂. In a UTF-8 page you can also paste the character itself.
CSS
content: "\2082"; in a ::before or ::after rule.
JavaScript
"\u2082"

Common questions about Subscript Two

What is the Subscript Two symbol?

Subscript two is a lowered form of the digit 2 used in plain text for chemical formulas, mathematical indices, and compact labels. In Unicode it is U+2082, officially named SUBSCRIPT TWO. It is also known as subscript 2 and lowered 2.

How do I write H₂O with a subscript two?

Type H, paste ₂ from this page, then type O. In Word or Google Docs you can also select a normal 2 and apply subscript formatting (Ctrl+= in Word, Ctrl+, in Google Docs), but only the Unicode character keeps the subscript when the text is copied somewhere else.

How do I copy and paste the Subscript Two 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. ₂ pastes as ordinary text, so it works in documents, messages, and code.

How do I type the Subscript Two symbol on Windows?

In Microsoft Word, type 2082 and press Alt+X to turn the code into ₂. In any app, open Character Map from the Start menu, search for “subscript two”, then select and copy the character.

How do I type the Subscript Two symbol on a Mac?

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

How do I type the Subscript Two 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 Subscript Two symbol in Word, Google Docs, and social media?

Yes. ₂ 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 “subscript two”. In Word, choose Insert > Symbol > More Symbols, set from to Unicode (hex), and enter 2082 as the character code.

Is the Subscript Two symbol an emoji?

No. ₂ 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 Subscript Two 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 ₂. The character is still there: it appears correctly wherever a font covers Unicode’s Superscripts and Subscripts block, and free font families such as Google Noto cover nearly all of Unicode.

What are the HTML and CSS codes for the Subscript Two symbol?

In HTML, write ₂ (decimal) or ₂ (hexadecimal). In CSS, use content: "\2082"; in a ::before or ::after rule, and in JavaScript "\u2082". See all HTML codes.