Cube Root Calculator

Calculate cube roots step by step

The calculator will find the cube root of the number $$$n$$$ (i.e. such a number $$$x$$$ that $$$x^3=n$$$) to the given precision.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below.

Your Input

Find $$$\sqrt[3]{21}$$$ precisely to $$$5$$$ digits after the decimal point.


$$$\sqrt[3]{21}\approx 2.75892$$$A