Copy Formats & Codes
Description & Usage
The Square Root Symbol is √. Its Unicode code point is U+221A, HTML entity is √, CSS escape is \\221A, and JavaScript escape is \u221A.
Square root sign (√) is a technical or utility text sign for labels, shortcuts, contact information, diagrams, and documentation within power and root symbols in the roots group.
Practical use
Use Square root sign in labels, shortcuts, contact text, diagrams, or implementation notes where a compact sign improves scanning.
Compatibility
Square root sign is a Unicode character, but exact shape, weight, spacing, and fallback behavior depend on the font and platform.
Use the primary copy button for the actual character. Use the implementation codes when you need to place the same symbol in HTML, CSS, JavaScript, or technical documentation.
Related Symbols
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Technical notes
Use Power and Root Symbols to label shortcuts, contact details, diagrams, references, and compact UI text.
Documentation and code
Use Unicode and escape formats when the same sign must be represented in HTML, CSS, JavaScript, or technical docs. For power and root symbols, keep the surrounding label and detail notes aligned with the intended use.
Readable alternatives
Keep a text label near unfamiliar symbols when accessibility, localization, or quick scanning matters. For power and root symbols, keep the surrounding label and detail notes aligned with the intended use.
Related categories
Move from power and root symbols into nearby categories when you need related Unicode signs, alternate notation, or a clearer symbol family.
Related categories in this set
Core categories
FAQ
How do I copy the Square Root?
Use the copy button on SymbolCopy to copy Square Root to your clipboard, then paste it into your document, app, website, or social post.
What is the Unicode for Square Root?
The Unicode value for Square Root is U+221A.