Subscript Two Symbol

A symbol from the Superscript and Subscript Symbols collection. Click the symbol or the button below to copy.

Symbol: ₂
Unicode: U+2082
HTML entity: ₂
Category: Superscript and Subscript Symbols

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20 of 45 in the superscript and subscript symbols collection

About the subscript two symbol

The character is read as "sub two" or "subscript two." It is primarily used in mathematical and scientific notation to denote a subscript index or variable, such as in chemical formulas (e.g., H₂O) or mathematical sequences. It appears in contexts where a smaller, lowered numeral is needed to distinguish a base from its modifiers, like in subscripts for atoms, variables, or footnotes.

How to type Subscript Two

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 2082 then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 2082.
Or: Control + Command + Space opens the Character Viewer — search by name.