Cube Root Calculator
Enter a number to get its cube root.
How this calculator works
The cube root of a number is the value that, multiplied by itself three times, gives that number. Unlike square roots, cube roots exist for negative numbers: the cube root of -27 is -3.
Frequently asked questions
What is the cube root of 27?
3, because 3 x 3 x 3 = 27.
Can you take the cube root of a negative number?
Yes. The result is negative.
What is a perfect cube?
A number that is the cube of a whole number, such as 8, 27, 64 and 125.
