Alt Code
Plus-Minus Sign
Type this character on Windows, Mac, or Linux using the steps below.
How to type ±
Windows
- Place your cursor where you want to insert ±.
- Turn on Num Lock on your keyboard.
- Press and hold the Alt key.
- Type 0177 using the numeric keypad (not the top row).
- Release the Alt key to insert ±.
- Shortcut label: Alt + 0177.
Mac
- Copy ± with the Copy Symbol button and paste it (fastest method).
- Open System Settings → Keyboard → Input Sources and add Unicode Hex Input (if needed).
- Select Unicode Hex Input from the menu bar input menu.
- Hold Option (⌥), type 00B1 (from U+00B1), then release Option.
- Or open Edit → Emoji & Symbols (or press Ctrl + Cmd + Space) and search for the character.
Linux
- Copy ± with the Copy Symbol button and paste it.
- Press Ctrl + Shift + U, type 00b1 (from U+00B1), then press Enter or Space.
- On GNOME, you can also use Ctrl + . (or Ctrl + ;) to open the character picker.
Alt Code details
| Parameter | Value | Copy |
|---|---|---|
| Symbol |
±
|
|
| Symbol Name |
Plus-Minus Sign
|
— |
| Alt Code |
Alt + 0177
|
|
| Alt Number |
0177
|
|
| Alt Code Type |
Leading Zero
|
— |
| Unicode Code |
U+00B1
|
|
| HTML Decimal Code |
±
|
|
| HTML Hex Code |
±
|
|
| HTML Entity |
±
|
|
| CSS Code |
\00B1
|
|
| JavaScript Code |
\u00B1
|
|
| Category |
Plus Minus Alt Codes
|
— |
| Description |
Used for plus-minus values in math and science.
|
— |
FAQs about Plus-Minus Sign Alt Code
What is the Alt code for Plus-Minus Sign Alt Code?
The Alt code for Plus-Minus Sign Alt Code is Alt + 0177. On Windows, use the Alt key and numeric keypad as shown above.
How do I type ± on Windows?
To type ± on Windows, turn on Num Lock, hold the Alt key, type 0177 using the numeric keypad, and release the Alt key.
How do I type ± on Mac?
On Mac, copy the symbol or enable Unicode Hex Input, hold Option (⌥), type 00B1 (from U+00B1), then release Option. You can also use Edit → Emoji & Symbols.
How do I type ± on Linux?
On Linux, copy the symbol or press Ctrl + Shift + U, type 00b1, then press Enter or Space.
What type of Alt code is Alt + 0177?
Alt + 0177 is a Leading Zero. Some Alt codes use normal numbers, while some use leading zero numbers like 0176.
Why is Alt + 0177 not working?
If Alt + 0177 is not working, make sure Num Lock is turned on and type the number using the numeric keypad. On some laptops, you may need to use the Fn key or the on-screen keyboard.
Can I copy ± directly?
Yes. You can use the Copy Symbol button on this page to copy ± directly without typing the Alt code.
About this Alt Code
Use Alt + 0177 to type the plus-minus sign (±) on Windows. Used for plus-minus values in math and science.
Tags: plus-minus-sign,±,alt + 0177,U+00B1,plus-minus,alt code,windows