Xerobit

Plus Minus Sign ±: Copy and Paste

The plus minus sign is ±. Click the button to copy it, or use the Unicode value U+00B1, the HTML code or the keyboard shortcuts below to type it anywhere.

  • Symbol
    ±
  • Unicode
    U+00B1
  • HTML (decimal)
    ±
  • HTML (hex)
    ±
  • HTML entity
    ±
  • CSS
    \00B1
  • JavaScript
    \u00B1
  • Windows Alt code
    Alt+0177

Plus Minus Sign codes and values

FormatValue
UnicodeU+00B1
HTML (decimal)±
HTML (hex)±
HTML entity±
CSS\00B1
JavaScript\u00B1
Windows Alt codeAlt+0177

The official Unicode name is "Plus-Minus Sign".

How to type the plus minus sign

Windows

  1. Hold Alt and type 0177 on the numeric keypad, then release. (Num Lock must be on.)
  2. In Microsoft Word, type 00B1 and press Alt + X to turn the code into ±.
  3. Or press Win + . to open the emoji and symbol panel and search for it.

Mac

  1. Press Control + Command + Space to open the Character Viewer and search for "plus-minus sign".
  2. Or add the "Unicode Hex Input" keyboard in System Settings, hold Option and type 00B1.

Linux

  1. In GTK apps press Ctrl + Shift + U, type 00b1 and press Enter.

Web pages

Write ± or ± in HTML, or paste the character directly into a UTF-8 page.

Encoding details

EncodingValue
Code pointU+00B1 (decimal 177)
UTF-8 bytesC2 B1
URL encoded%C2%B1
CategorySm

What the plus minus sign means

This symbol expresses a range of values by indicating both addition and subtraction from a central number. Scientists and engineers use it to state measurement tolerances, error margins, or dual mathematical roots.

Using the plus minus sign well

Use Unicode U+00B1 or the HTML entity ± in digital text. Avoid substituting a plus and minus typed separately, as screen readers will misinterpret the combination for visually impaired users.

Characters next to it in Unicode

CharacterCodeName
®U+00AERegistered Sign
¯U+00AFMacron
°U+00B0Degree Sign
²U+00B2Superscript Two
³U+00B3Superscript Three
´U+00B4Acute Accent

FAQ

What is the Unicode for the plus minus sign?

The plus minus sign ± is U+00B1 (Plus-Minus Sign).

How do I type ± on a keyboard?

On Windows hold Alt and type 0177 on the numeric keypad. On Mac use the Character Viewer (Control + Command + Space), and on Linux use Ctrl + Shift + U then 00b1.

What is the HTML code for ±?

Use ± or the named entity ±. The hexadecimal form is ±.

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