PLUS-MINUS SIGN

U+00B1 Math Symbol (Sm) · Latin-1 Supplement · Zyyy

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Overview

The plus-minus sign (±) indicates that a value may be either added or subtracted, most often to express a tolerance or margin of error. It occupies U+00B1 in the Latin-1 Supplement block, is classified as a mathematical symbol, and is written in HTML as ±. Written before a number, as in 5 ± 0.2, it denotes a range around a central value and is a standard notation in science, engineering, and statistics.

On this page

Encoding Table

Format	Value	Copy
unicode	U+00B1
decimal	177
htmldecimal	±
htmlhex	±
css	\00B1
javascript	\u{B1}
python	\u00b1
java	\u00B1
go	\u00B1
ruby	\u{B1}
rust	\u{B1}
ccpp	\u00b1
urlencoded	%C2%B1
utf8bytes	c2 b1
utf16bebytes	00 b1
utf32bebytes	00 00 00 b1
htmlentity	±

How to Use

HTML: ± or ±

CSS: content: "\00B1"

JavaScript: "\u{B1}"

Python: "\u00b1"

Properties

Block: Latin-1 Supplement
Script: Zyyy
Category: Math Symbol (Sm)
Bidirectional: ET
Combining: 0
Mirrored: No

← ° U+00B0 U+00B2 ² →

Frequently Asked Questions

What is the ± character (PLUS-MINUS SIGN)?

± (PLUS-MINUS SIGN) is the Unicode character U+00B1.

What is the Unicode codepoint of PLUS-MINUS SIGN?

The PLUS-MINUS SIGN character (±) has codepoint U+00B1.

How do I type or copy PLUS-MINUS SIGN?

Copy ± directly, or use the HTML entity, UTF-8, and code encodings shown on this page.