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Nth root Calculator

Free nth root calculator to calculate nth root. Instant results in your browser — no signup.

Also known as: Calculate nth root, nth root calculator, cube root, nth root, radical index, calculate nth root calculator, calculate nth root, powers & logs math

Direct calculator

Inputs

Results update when you click Calculate.

3√27.0000

3.000000

27.0000^(1/3) = 3.000000

  • Verify27.000000
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What this result means

Free nth root calculator to calculate nth root. Instant results in your browser — no signup. nth root of x = x^(1/n).

Assumptions

  • Rule dependency: Universal formula.

How is it calculated?

nth root of x = x^(1/n).

Example

∛27 = 3.

Frequently asked questions

Cube root of −8?+

Use n = 3 — odd roots accept negative radicands.