Cube Root Calculator

Calculate the cube root of any real number and view the equivalent cubic relationship.

This computes the real cube root: ∛x.

Result will appear here.
Metric Value

Privacy: calculations run locally in your browser. No values are stored or transmitted.

How it works

The cube root finds the number y such that:
y³ = x

Examples

  • ∛27 = 3
  • ∛8 = 2
  • ∛(-125) = -5

FAQ

  • What is a cube root?

    The cube root of x is the number y such that y³ = x.

  • Can cube roots be negative?

    Yes. The cube root of a negative number is negative, because a negative times itself three times stays negative.

  • Is this different from square root?

    Yes. Cube roots are defined for all real numbers, while square roots are only real for non-negative numbers.

  • Are calculations stored?

    No. Everything runs locally in your browser.

Related tools