Copy it, then paste with Ctrl + V (Cmd + V on Mac).
Quick answer
| Method | How |
|---|---|
| Copy and paste | Use the copy button above |
| Windows | Alt + 251 |
| Mac | Option + V |
| Microsoft Word | Type 221A, then press Alt + X |
| Chromebook and Linux | Ctrl + Shift + U, type 221A, press Enter |
| HTML | √ or √ |
| CSS | \221A |
| JavaScript | \u221A |
| Unicode | U+221A (Square Root) |
How to type the Square Root Symbol on Windows
Hold Alt and type 251 on the numeric keypad, then release Alt.
No numeric keypad? On a laptop, use Win + . or open Character Map (search for charmap in Start).
In Microsoft Word, type 221A and then press Alt + X to turn the code into √.
How to type the Square Root Symbol on a Mac
Press Option + V.
On a Chromebook or Linux
Press Ctrl + Shift + U, type 221a, then press Enter or Space.
On iPhone and Android
Switch to the symbols keyboard (123 then #+= on iPhone, ?123 then =\< on Android). If it is not there, copy it from this page.
In Google Docs
Go to Insert > Special characters and search for "square root symbol".
About this character
The radical sign used for square roots.
Related characters
‰ Per Mille Sign¬ Not Sign± Plus-Minus Sign² Squared Symbol³ Cubed Symbolµ Micro Sign¹ Superscript One¼ One Quarter Fraction½ One Half Fraction¾ Three Quarters Fraction× Multiplication Sign÷ Division Sign↑ Up Arrow↓ Down Arrow
Frequently asked questions
What is the Alt code for √?
On Windows, hold Alt and type 251 on the numeric keypad.
How do I type √ on a Mac?
Press Option + V.
What is the HTML code for √?
Use √ or √ in HTML.