What is the Cube Root Calculator?
Find the cube root, or any other root, of a number.
Enter number and root and the Cube Root Calculator returns root and cube of the number. Results update as you type, and nothing you enter leaves your device.
How it is calculated
ⁿ√x = x^(1 ÷ n)
How to use it
- Enter number.
- Enter root.
- Read root in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the Cube Root Calculator use?
It uses: ⁿ√x = x^(1 ÷ n).
What do I need to use the Cube Root Calculator?
You need number and root. Sensible starting values are filled in so you can see how it works straight away.
Is the Cube Root Calculator free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.