Plus-Minus Sign
Unicode
U+00B1
Decimal
177
HTML entity
±
HTML (numeric)
± · ±
Alt code (Windows)
Alt + 177 · Alt + 0177
Category
Math symbols
Related characters
FAQ — Plus-Minus Sign
What is the Unicode code of ± (Plus-Minus Sign)?
The Plus-Minus Sign character has the Unicode codepoint U+00B1 (decimal 177). Its HTML form is ±, or ± (decimal) / ± (hex).
How do I type ± with an alt code?
On Windows, hold the Alt key and type Alt + 177 · Alt + 0177 on the numeric keypad. Or copy the character directly with the button above.
Which category does ± belong to?
Plus-Minus Sign is in the "Math symbols" category.