Copy the √ square root symbol instantly with our complete guide. Get keyboard shortcuts, Unicode, HTML codes, and easy copy paste methods.
Need a square root copy paste solution? You can copy the square root symbol √ instantly from this page and use it anywhere. This guide also explains the square root symbol Unicode, HTML code, keyboard shortcuts, Alt codes, and how to type the radical sign on Windows, Mac, Android, and iPhone.
Copy and Paste Square Root Symbol √
Copy the square root symbol below:
√
Square Root Copy Paste: √
You can use this symbol in:
- Documents
- Emails
- Social media posts
- Websites
- School assignments
- Mathematical notes
- Programming projects
Square Root Symbol Information
| Detail | Value |
| Symbol | √ |
| Name | Square Root Symbol |
| Copy | √ |
| Unicode | U+221A |
| HTML Entity | √ |
| HTML Hex Code | √ |
| Unicode Block | Mathematical Operators |
The √ symbol is also called the radical symbol or radical sign and is commonly used to represent square roots in mathematics.
How to Copy Square Root Symbol √
Copying the square root sign is simple:
- Select the symbol: √
- Press Ctrl + C on Windows or Command + C on Mac
- Paste it anywhere using Ctrl + V or Command + V
If you frequently use the symbol, you can save it in your notes or create a keyboard shortcut for faster access.
What Is the Square Root Symbol √?
The square root symbol √ is a mathematical symbol used to show the square root operation. It tells us to find the number that produces the original value when multiplied by itself.
For example:
√25 = 5
Because:
5 × 5 = 25
The symbol consists of:
- √ = radical sign
- Number below the symbol = radicand
- Answer = square root
The terms sqrt symbol and radical symbol are often used together because the radical sign is used for different types of roots, including square roots, cube roots, and fourth roots.
Square Root Symbol Keyboard Shortcuts and Alt Codes
If you do not want to copy and paste the symbol every time, you can type it directly using keyboard shortcuts.
| Device or Platform | Shortcut |
| Windows Alt Code | Alt + 251 |
| Microsoft Word | 221A + Alt + X |
| Mac | Option + V |
| Unicode | U+221A |
| HTML | √ |
| HTML Entity | √ |
How to Type √ Square Root Symbol on Windows

Windows users have several ways to insert the square root symbol.
Using Alt Code
To type √ with an Alt code:
- Turn on Num Lock
- Hold the Alt key
- Type 251 using the numeric keypad
- Release Alt
The result will be:
√
Using Microsoft Word
In Microsoft Word:
- Type:
221A
- Press:
Alt + X
Word will convert it into:
√
This method uses the Unicode character code system.
How to Type √ Square Root Symbol on Mac
Mac users can insert the square root sign quickly.
Use:
Option + V
The symbol will appear:
√
Another method:
- Open Character Viewer
- Search “square root”
- Select √
- Insert the symbol
The Character Viewer also contains many other special characters and mathematical symbols.
How to Type Square Root Symbol √ on Mobile Phone
Android
Android users can add √ by:
- Copying the symbol from this page
- Using keyboard symbol sections
- Creating a text shortcut
Example:
Shortcut:
sqrt
Replace with:
√
iPhone
On iPhone:
- Copy √
- Open Settings
- Go to General → Keyboard → Text Replacement
- Add a shortcut
Example:
Phrase:
√
Shortcut:
sqrt
Now typing “sqrt” can automatically replace it with the square root symbol.
Square Root Symbol Unicode HTML CSS and Programming Codes
Developers can add the square root symbol using Unicode and character codes.
Square Root Symbol in HTML
HTML Entity
√
Output:
√
Decimal HTML Code
√
Output:
√
Hexadecimal HTML Code
√
Output:
√
Square Root Symbol in CSS

CSS uses Unicode escape sequences.
Example:
content: “\221A”;
Output:
√
This method is useful when adding mathematical symbols through CSS pseudo-elements
Square Root Symbol in JavaScript and Other Languages
JavaScript
\u221A
Output:
√
Python
“\u221A”
Output:
√
LaTeX
For mathematical documents:
\sqrt{x}
Output:
√x
Square Root Symbol Meaning and Mathematical Uses
The square root symbol is one of the most important symbols in mathematics.
It is used to find the value that produces a given number when squared.
Perfect Square Examples
Perfect squares have whole-number answers.
Examples:
| Expression | Result |
| √4 | 2 |
| √9 | 3 |
| √16 | 4 |
| √25 | 5 |
| √100 | 10 |
Non-Perfect Square Examples
Some numbers do not have exact whole-number square roots.
Examples:
√2 ≈ 1.414
√3 ≈ 1.732
These are called irrational numbers because their decimal values continue without repeating.
Uses of Square Root Symbol in Real Life
The square root symbol is used in many fields.
Algebra
Square roots help solve equations.
Example:
x² = 64
x = √64
x = 8
Geometry
Square roots are used to calculate:
- Distance
- Length
- Diagonal measurements
The Pythagorean theorem uses square roots:
a² + b² = c²
Physics and Engineering
Scientists and engineers use square roots in:
- Measurements
- Formulas
- Statistics
- Calculations involving distance and speed
Square Root Symbol Variations and Related Root Symbols
The radical family includes several related symbols.
| Symbol | Name | Meaning |
| √ | Square Root | Second root |
| ∛ | Cube Root | Third root |
| ∜ | Fourth Root | Fourth root |
Variable Square Root Symbol √x
When a variable appears under the radical sign:
√x
it means the square root of the variable value.
Example:
If:
x = 16
Then:
√x = 4
Radical Notation With Overline
In advanced mathematics, the radical bar can cover a complete expression.
Example:
√(a + b)
This means the entire expression inside the brackets is under the square root
Copy and Paste Related Mathematical Symbols
Besides the square root symbol, many users search for similar mathematical characters.
Checkmark and Tick Symbols
Copy these symbols:
✓
✔
☑
Common Math Symbols
| Symbol | Meaning |
| ± | Plus or minus |
| × | Multiplication |
| ÷ | Division |
| ∑ | Summation |
| ∞ | Infinity |
| ≠ | Not equal |
| ≤ | Less than or equal |
| ≥ | Greater than or equal |
Algebra Symbols
Popular algebra symbols include:
- x²
- x³
- π
- ∆
These are commonly used in:
- Mathematics
- Science
- Engineering
- Education
Square Root Symbol Images and Printable Versions
The square root symbol is widely used in educational materials and digital designs.
You can create:
- √ symbol images
- Transparent PNG files
- Printable math worksheets
- Classroom resources
- Mathematical graphics
A high-quality symbol image should have a clean background and clear typography so it remains readable when printed.
FAQs
What is the square root symbol called?
The √ symbol is called the square root symbol, radical symbol, or radical sign.
How do I copy and paste the square root symbol?
Simply select √, copy it using Ctrl + C or Command + C, and paste it where needed.
What is the Unicode code for √?
The Unicode code for the square root symbol is U+221A.
How do I type √ on Windows?
Use Alt + 251 on a numeric keypad or type 221A followed by Alt + X in Microsoft Word.
How do I type √ on iPhone?
Copy √ or create a text replacement shortcut using iPhone keyboard settings.
Is √ a radical symbol?
Yes. The square root symbol is a type of radical symbol used to represent roots.
What is the difference between √ and ∛?
√ represents a square root, while ∛ represents a cube root.
Can I use the square root symbol in HTML?
Yes. You can use HTML entities like √ or √ to display √.

I’m the creator of SquareRootSymbolz.com, where I publish easy-to-understand guides on symbols, Unicode characters, Alt codes, keyboard shortcuts, and copy-and-paste text symbols. My goal is to provide accurate, well-researched, and user-friendly content that helps readers quickly find the information they need.
