Plus Minus Symbol ± — Copy & Paste
The plus-minus symbol ± indicates a value that can be either added or subtracted — for example, a measurement of 5.0 ± 0.1 means the true value is between 4.9 and 5.1. It is used in science, engineering, and finance to express uncertainty or tolerance.
Copy the plus minus symbol±
U+00B1·Decimal 177
How to Type Plus Minus Symbol
⌘Mac
Shift + Option + = (equals)⊞Windows
Alt + 0177 (numpad)📱iPhone / iOS
Type the plus minus symbol on iOS via 123 → #+= or long-press, or copy the plus minus symbol.</>HTML Code
±On Android, reach the plus minus symbol via a long-press on nearby keys, or copy the plus minus symbol (±) above.
Plus Minus Symbol — Unicode Details
Unicode
U+00B1Decimal
177Hex
00B1HTML
±Where Is Plus Minus Symbol Used?
- ✦Scientific measurements
- ✦Engineering tolerances
- ✦Statistics
- ✦Math
Other Names for ±
plus or minusplus/minus signtolerance symbol
Frequently Asked Questions
Typing the plus minus symbol on a Mac▼
Shift + Option + = (equals) types the plus minus symbol (±); any field takes the plus minus symbol.
Will the plus minus symbol paste into social apps?▼
Yes — the plus minus symbol is Unicode U+00B1, so the plus minus symbol survives every paste.
HTML codes for the plus minus symbol▼
Plus Minus Symbol entity: ±; numeric ±; hex ±.