Windows
2 options- In Word / Outlook: type 221B then press Alt + X.
- Anywhere: press Win + . to open the emoji & symbol picker, then search.
Cube Root Symbol
A symbol from the Math Symbols collection. Click the symbol or the button below to copy.
- Symbol
- ∛
- Unicode
- U+221B
- HTML entity
- ∛
- Category
- Math Symbols
Export
Download Cube Root as SVG or PNG — or add a caption to make a labelled icon, badge or sticker.
Background
Previewtransparent background
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23 of 96 in the math symbols collection
About the cube root symbol
The symbol is read aloud as "cube root" and represents a number that, when multiplied by itself three times, yields the given value. It is used in algebra, calculus, and applied mathematics to denote the inverse operation of cubing, appearing in equations that involve radical expressions or root solving.
How to type Cube Root
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
macOS
2 options- Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 221B.
- Or: Control + Command + Space opens the Character Viewer — search by name.
Linux
1 step- Press Ctrl + Shift + U, type 221B, then press Enter or Space.
Copy in every format
Every form of this character — for HTML, CSS, JavaScript, URLs and more. Click any value to copy.
Related math symbols
Other math symbols you can copy and paste — explore similar Unicode characters from the same family.
- +Plus SignCopy the plus sign symbol→
- −Minus SignCopy the minus sign symbol→
- ×Multiplication SignCopy the multiplication sign symbol→
- ÷Division SignCopy the division sign symbol→
- ±Plus-Minus SignCopy the plus-minus sign symbol→
- ∓Minus-Or-Plus SignCopy the minus-or-plus sign symbol→
- =Equals SignCopy the equals sign symbol→
- ≠Not Equal ToCopy the not equal to symbol→
- ≈Almost Equal ToCopy the almost equal to symbol→
- ≡Identical ToCopy the identical to symbol→
- ≤Less-Than Or Equal ToCopy the less-than or equal to symbol→
- ≥Greater-Than Or Equal ToCopy the greater-than or equal to symbol→
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