Cube Root
Part of Math Symbols
Cube Root has no standard Windows Alt code. Copy the character directly, or use its HTML entity or Unicode value instead.
- Alt code
- None
- HTML entity
- ∛
- Unicode
- U+221B
About this symbol
The cube root sign adds a small 3 to the radical √: ∛8 is 2, because 2 × 2 × 2 = 8. Unicode keeps the cube and fourth roots, ∛ and ∜, as single characters; others are written with a raised number in front of √.
Unicode facts
- Official name
- CUBE ROOT
- Type
- Maths symbol
- Unicode block
- Mathematical Operators
- Unicode group
- Operators
- Added in
- Unicode 1.1 (1993)
- Related
- ؆ Arabic-Indic Cube Root U+0606
Click the symbol or any value at the top of the page to copy it. See the full Math Symbols chart for related characters.