Root Calculator
Find the square root or any nth root of a number.
Result
Results are estimates for general information only and are not professional advice.
Roots
The nth root of a number is the value that, raised to the power n, gives that number. Enter a number and the root degree — 2 for square root, 3 for cube root, and so on.
Frequently Asked Questions
What is the Root Calculator?
Find the square root or any nth root of a number. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Root Calculator?
The Root Calculator asks for the following values (2): Number, Root (n). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Root Calculator?
The Root Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Root Calculator free, and do I need an account?
Yes. The Root Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.