Cube Root Calculator

Find the cube root of a number.

Cube root 3

Formula: ∛x is the value that, cubed, gives x

Step-by-step with your numbers:

1. Values used:

2. Number = 27

4. Cube root = 3

Did we solve your problem today?

The cube root is the number that, cubed, gives your value.

The math behind it

∛x × ∛x × ∛x = x. Unlike square roots, cube roots work for negatives too.

∛27 = 3.

Negative input?

∛(−8) = −2 — cube roots of negatives are real.