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Cube Root calculator
Cube Root calculator
Enter your values below and press Calculate to see your result instantly.
3
√
Radicand (Volume)
Principal Cube Root Solution
5.0000
SQUARED AREA
25.00
N-TH DOMAIN EXPORT
Valid for All Reals
5
5
Geometrically, a cube with a volume of 125 has sides measuring exactly 5.
About the Cube Root calculator
Find the cube root of any number, positive or negative, and see the volume interpretation.
How to use the Cube Root calculator
- Enter the Radicand (Volume).
- Press Calculate to see the cube root.
Formula and method
The cube root of x is the number that multiplied by itself three times equals x: ∛x = x^(1/3).
Worked example
∛125 = 5, because 5 × 5 × 5 = 125. A cube of volume 125 has sides of length 5. ∛(−27) = −3.
Tips
- Unlike square roots, cube roots exist for negative numbers.
Frequently Asked Questions
A number that is the cube of a whole number, such as 1, 8, 27, 64 and 125.