Nth root calculator

Client

Calculate x^(1/n)—cube roots, fourth roots, and beyond.

About Nth root calculator

Compute x^(1/n)—cube roots and higher real roots, including odd roots of negatives, locally. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

3√27 = 3

Nearby workflows on Toolcore

  • Perfect square checker — Test whether a whole number is a perfect square and show its integer root—BigInt, local only. when units or numeric output should be checked on a related calculator.
  • Scientific notation converter — Convert between decimal and scientific notation strings—parse and format in your browser. when units or numeric output should be checked on a related calculator.
  • Math expression evaluator — Evaluate basic + − × ÷ arithmetic with parentheses in your browser—no variables. when units or numeric output should be checked on a related calculator.
  • Absolute value — Compute |x| for any real number—drop the sign locally in your browser. when units or numeric output should be checked on a related calculator.

Common use cases

  • Verify cube roots in algebra.
  • Compare growth rates with fractional exponents.

Common mistakes to avoid

  • Even root of negative x

    Real even roots require a non-negative radicand.

FAQ

Odd roots of negatives?

Yes—e.g. ³√(−8) = −2.

Is data uploaded?

No.

More tools

Related utilities you can open in another tab—mostly client-side.