โ Math
Cube Root Calculator
Unlike square roots, cube roots are defined for negative numbers, because multiplying three negatives gives a negative. The cube root of 27 is 3, and of minus 27 is minus 3.
How it works
Number
Root degree
Cube root
Number cubed
Nth root
Frequently asked questions
How do I use the Cube Root Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.