Superscript Two Symbol

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

Symbol: ²
Unicode: U+00B2
HTML entity: ²
Category: Superscript and Subscript Symbols

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3 of 45 in the superscript and subscript symbols collection

About the superscript two symbol

In mathematics and science, ² is the standard superscript notation for squaring a number or variable, such as in "x²" or "5² = 25." It also appears in written measurements like square meters (m²) and square feet (ft²), as well as in chemical formulas or footnotes in some older texts. This character is part of the Latin-1 Supplement block and is classified as an Other Number, meaning it represents a numeric value rather than a letter or punctuation mark. It is not an emoji and is used across various writing systems as a shared typographic symbol.

How to type Superscript Two

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

Windows

2 options

Hold Alt and type 0178 on the numeric keypad, then release Alt.
Or, in Word: type 00B2 then press Alt + X.

Numeric keypad required (laptops: enable Num Lock or use Fn).

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 00B2.
Or: Control + Command + Space opens the Character Viewer — search by name.