Nth Root Calculator

A root calculator computes the nth root of any number, the value that, when raised to the power n, gives the original number.

About this calculator

A root calculator computes the nth root of any number, the value that, when raised to the power n, gives the original number. The square root (n=2) and cube root (n=3) are the most common, but any root is computable.

Roots appear in geometry (diagonal of a square), physics (RMS calculations), finance (CAGR = nth root of growth multiple), and many engineering formulas.

Common uses

  • Calculate the square root of any number
  • Find cube roots for volume calculations
  • Compute CAGR using the nth root formula
  • Solve equations involving roots in algebra

Frequently asked questions

What is the relationship between roots and exponents?

The nth root of x equals x^(1/n). So the square root of 25 = 25^(0.5) = 5. The cube root of 27 = 27^(1/3) = 3. This means any root can be calculated as a fractional exponent.