Cube Root Calculator
Calculate the cube root of any number (∛x).
Last updated: 2/3/2026
The cube root of a number x is a number y such that y³ = x. Unlike square roots, cube roots can be calculated for negative numbers.
Calculator Inputs
Results
Enter values above to see your results
How It Works
We find the value that, when multiplied by itself three times, equals your input.
Worked Examples
Cube Root of 125
Find number y:
y × y × y = 125= ?Check 5:
5 × 5 × 5= 125Result:
∛125= 5Tips & Best Practices
- •∛27 = 3 because 3 × 3 × 3 = 27.
- •∛-8 = -2 because -2 × -2 × -2 = -8.
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