Negative Circled Digit Zero Symbol

A symbol from the Number Symbols collection. Click the symbol or the button below to copy.

Number Symbols collection

Symbol: ⓿
Unicode: U+24FF
HTML entity: ⓿
Category: Number Symbols

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54 of 124 in the number symbols collection

About the negative circled digit zero symbol

On some older telephone keypads, the zero key is sometimes labeled with this symbol instead of a plain digit, acting as a clear negative indicator for dialing commands or special functions. It also appears in certain technical notations to denote a circle with a negative value, such as in mathematical or engineering contexts where a zero is enclosed to distinguish it from the standard digit.

This character belongs to the Enclosed Alphanumerics block, which collects letters and numbers inside circles, parentheses, or other enclosures. As a number symbol, it represents a zero that is both circled and marked as negative, providing a compact way to indicate a null or negative value in specialized documentation or user interfaces.

How to type Negative Circled Digit Zero

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 24FF 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 24FF.
Or: Control + Command + Space opens the Character Viewer — search by name.