Plus-minus Sign Plus-or-minus Sign is the Unicode character ± at codepoint U+00B1 in the Latin-1 Supplement block of the Basic Multilingual Plane (BMP). Click the character above to copy it to your clipboard — or use one of the
encodings below to embed it in HTML, CSS, JavaScript, Python or plain text.
Technical Reference
| Unicode Codepoint | |
| Decimal | |
| UTF-8 (hex) | |
| UTF-16 (hex) | |
| HEX Entity | |
| HTML Entity | |
| CSS (\xxxx) | |
| JavaScript | |
| Python |
How to Use Plus-minus Sign Plus-or-minus Sign
To use the Plus-minus Sign Plus-or-minus Sign symbol (±) in HTML, insert the
entity ± directly into your markup. The decimal entity ± works in any HTML-serialised document.
In CSS pseudo-elements use content: '\B1';.
In JavaScript and TypeScript the escape '\u00B1' evaluates to ±. In Python source, write '\u00B1'.
The character encodes to C2 B1 as UTF-8 bytes and 00B1 as UTF-16 code units. Its decimal codepoint is 177.
This is a text-based Unicode character. It will render in the current font on most platforms. If a font lacks this glyph, the browser may show a placeholder or fall back to a system font.