Digit Zero

Part of Basic ASCII: Alt 33 to 126

On Windows, hold Alt and type 48 on the numeric keypad to insert digit zero.

Alt code
Alt+48
HTML entity
0
Unicode
U+0030

About this symbol

Zero as a number in its own right, with rules for adding and multiplying by it, was set out by the Indian mathematician Brahmagupta in 628. The word comes from the Arabic sifr, empty, which also gave English the word cipher.

Unicode facts

Official name
DIGIT ZERO
Type
Digit
Unicode block
Basic Latin
Unicode group
ASCII digits
Added in
Unicode 1.1 (1993)

Click the symbol or any value at the top of the page to copy it. See the full Basic ASCII: Alt 33 to 126 chart for related characters.

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