Square root symbol √
The square root sign (radical) used in math, as in √9 = 3. Sometimes also used as a check mark.
√
- Symbol
- Unicode
- HTML entity
- HTML code
- CSS
- Mac shortcut
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Related symbols
How to type the square root symbol
How do I type the square root symbol?
The easiest way is to copy it from this page and paste it. On a Mac, press Option+V. On iPhone and Android, copy it here and paste, or add it as a keyboard text replacement.
How do I insert the square root symbol in Word?
Type 221A and then press Alt+X, and Word turns it into √. You can also use Insert, Symbol.
What is the HTML code for the square root symbol?
Use √ or √ in HTML, or \221A in CSS content.