Cube Root Calculator
Find the cube root of a number instantly, including negative numbers.
Cube root: 4
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How It Works
Enter any number to see its cube root, updated instantly.
∛x is the number that, multiplied by itself twice more, equals x
Example
The cube root of 27 is 3, since 3 × 3 × 3 = 27. The cube root of -8 is -2.
Frequently Asked Questions
- Can a cube root be negative?
- Yes — unlike square roots, cube roots of negative numbers are real and negative, since a negative number multiplied by itself three times stays negative.
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