Copy & encode
Character
±Unicode codepoint
U+00B1HTML named entity
±HTML decimal entity
±HTML hex entity
±CSS escape
\00B1JavaScript escape
\u00B1Windows Alt code
0177Meaning and usage
It commonly appears in scientific results, measurements, and statistics to show a range, such as 20°C ± 2°C meaning the true value is somewhere in that range.
Frequently Asked Questions
What is the HTML entity for plus-minus?
Use ± or ±.
What is the Windows Alt code for ±?
Hold Alt and type 0177 on the numeric keypad.