Subscript Eight Symbol

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

Superscript and Subscript Symbols collection

Symbol: ₈
Unicode: U+2088
HTML entity: ₈
Category: Superscript and Subscript Symbols

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26 of 45 in the superscript and subscript symbols collection

About the subscript eight symbol

The character is read as "subscript eight" and is used in mathematical and scientific notation to denote an index or variable labeled with the number eight. It appears in formulas where a base symbol, such as a letter or a chemical element, is accompanied by a smaller number written below the baseline, such as in chemical formulas like C₈H₁₈ for octane. It also appears in mathematical sequences, subscripts for variables, or in other technical contexts where a lower index of eight is needed.

How to type Subscript Eight

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 2088 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 2088.
Or: Control + Command + Space opens the Character Viewer — search by name.