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Plus-minus sign
U+00B1 · Latin-1 Supplement
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Meaning and uses
The plus-minus sign shows a value that can go either way, as in ±5% or a tolerance of ±0.1 mm. It is also used for rough values in everyday writing.
Unicode details
± is the Unicode character named PLUS-MINUS SIGN, code point U+00B1, in the Latin-1 Supplement block. It was added in Unicode 1.1 in 1993, and Unicode classes it as a maths symbol (general category Sm).
It is not an emoji, so it keeps the colour and size of the text around it.
| Unicode name | PLUS-MINUS SIGN |
|---|---|
| Code point | U+00B1 |
| Block | Latin-1 Supplement |
| Added | Unicode 1.1 (1993) |
| UTF-8 bytes | C2 B1 |
| UTF-16 | 00B1 |
| HTML | ± or ± |
Tap a code to copy it:
How to type ±
- On any device, tap the copy button above, then paste with a long press on a phone, Ctrl+V on Windows or Cmd+V on a Mac.
- In Microsoft Word on Windows, type 00B1 and then press Alt+X to turn the code into ±.
- On a Mac, press Control+Cmd+Space to open the Character Viewer, then search for “plus-minus sign”.
- On Linux, most desktops accept Ctrl+Shift+U, then 00b1, then Space or Enter.
- In HTML, use
±or±. In a CSScontentproperty, use"\00B1".