Cube Root Calculator
Find the cube root of any number — positive or negative.
Calculate
Enter your values below.
Result
Cube root
0
Formula used
∛x, such that ∛x × ∛x × ∛x = x
Example: ∛27 = 3, and ∛-8 = -2.
How to use this calculator
- Enter Number.
- Press Calculate to see your result instantly.
FAQ
Frequently asked questions
Can the cube root of a negative number be found?
Yes — unlike square roots, cube roots of negative numbers are real (e.g. the cube root of -8 is -2).
What is the cube root of 0?
0.
How accurate is the result?
Results are shown to several decimal places for non-perfect cubes.
Is cube root the same as dividing by 3?
No — cube root finds the number that, multiplied by itself three times, gives the original value.