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Calixo

Root Calculator

Find the nth root of any positive number.

Inputs

2 for square root, 3 for cube root, etc.

Saved Scenarios

— select 2+ to compare

Result

3.000000

Spark says

How it's calculated

Formula

Result=xn=x1/nResult = \sqrt[n]{x} = x^{1/n}
x
— The number
n
— The root degree

What is the Root Calculator?

The nth root of a number is the value that, when raised to the nth power, gives back the original number.

How to use it

  1. 1 Enter the number.
  2. 2 Enter the root degree (2 for square root, 3 for cube root, etc.).

Worked examples

Cube root of 27

Result is 3, since 3³ = 27.

Try it

Frequently asked questions

How is this different from the exponent calculator?

This calculator finds roots (the inverse of exponents) — for example, the square root undoes squaring. The Exponent Calculator does the forward operation.