# ± U+00B1 PLUS-MINUS SIGN

Plus or minus symbol, a plus sign above a minus sign, used for tolerances, error margins, and both roots in math.

| | |
|---|---|
| Character | `±` |
| Codepoint | U+00B1 |
| Name | PLUS-MINUS SIGN |
| Also known as | biquintile (astrological aspect: 144°) |
| Block | [Latin-1 Supplement](https://unicodekit.com/block/latin-1-supplement) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 1.1 |
| HTML | `±` `±` |
| CSS | `\B1` |
| JavaScript | `\u00B1` |
| UTF-8 | C2 B1 |
| UTF-16 | 00B1 |

## Related characters

- ° [U+00B0 DEGREE SIGN](https://unicodekit.com/char/00B0)
- ² [U+00B2 SUPERSCRIPT TWO](https://unicodekit.com/char/00B2)
- ¯ [U+00AF MACRON](https://unicodekit.com/char/00AF)
- ³ [U+00B3 SUPERSCRIPT THREE](https://unicodekit.com/char/00B3)
- ® [U+00AE REGISTERED SIGN](https://unicodekit.com/char/00AE)
- ´ [U+00B4 ACUTE ACCENT](https://unicodekit.com/char/00B4)
- [U+00AD SOFT HYPHEN](https://unicodekit.com/char/00AD)
- µ [U+00B5 MICRO SIGN](https://unicodekit.com/char/00B5)
- ¬ [U+00AC NOT SIGN](https://unicodekit.com/char/00AC)
- ¶ [U+00B6 PILCROW SIGN](https://unicodekit.com/char/00B6)
- « [U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK](https://unicodekit.com/char/00AB)
- · [U+00B7 MIDDLE DOT](https://unicodekit.com/char/00B7)

Page: https://unicodekit.com/char/00B1 · JSON: https://unicodekit.com/characters/00B1