Math

Cube Root Calculator

Find the cube root of a number.

Calculated Output

Cube root 3

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

Step-by-Step Breakdown

1. Values used:

2. Number = 27

4. Cube root = 3

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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.