Plus Minus Symbol ±
Tap the button to copy the plus minus symbol, or grab a variant below. The table has its Alt code, HTML entity and Unicode details.
| Copy | Unicode name | Codepoint | HTML | Windows Alt code |
|---|---|---|---|---|
| Plus-Minus Sign | U+00B1 | ± | Alt+0177 | |
| Minus-Or-Plus Sign | U+2213 | none | none |
- The plus minus symbol is Unicode U+00B1 (Plus-Minus Sign).
- In HTML, type
±to get ±. - On Windows, hold Alt and type 0177 on the numeric keypad.
- On a Mac, press Option+Shift+Equals.
- It is a single character: it survives copy and paste into any text field and counts as one character against limits.
The plus-minus sign expresses a tolerance or margin of error, as in 5 V ± 0.1 V or a poll's ± 3 points. Mathematics also uses the reversed minus-plus form when two equations are written as one. It is a single character, not a plus over a hyphen.