Math & Science

Plus-Minus Sign (±)

Mathematical symbol representing both positive and negative quantities or confidence margins of error (e.g. 50 ± 2%).

One-Click Copyable Code Formats

HTML Named Entity

±

HTML Decimal Code

±

HTML Hex Code

±

CSS content (\XXXX)

\00B1

JavaScript Unicode (\uXXXX)

\u00B1

URL Percent Encoded

%C2%B1

HTML5 Document

<p>Example: ±</p>

CSS ::before / ::after

.badge::before {
  content: '\00B1 ';
}

React JSX / TypeScript

<span>{"\u00B1"}</span>

Frequently Asked Questions

Common questions regarding HTML escape codes, CSS pseudo-elements, and browser character encoding.

The standard HTML named entity is "±". If using numeric codes, you can use the decimal code "±" or hex code "±".