Root Calculator
Solve any positive degree root of a number with our real-time fractional exponent formula converter.
Enter Radical Settings
Radical Result
5.000
Radical Expansion Notation:
What is the Root Calculator?
The Universal Root Calculator is an advanced algebra tool capable of extracting the square root, cube root, or any "nth" root of a number. It reverses complex exponents to find their fundamental base number.
How It Works (Formula)
Taking the "nth root" of a number is mathematically identical to raising that number to the power of a fraction ($1/n$). For instance, taking the cube root of 27 is the same as raising 27 to the power of one-third.
$$ \sqrt[n]{x} = x^{\frac{1}{n}} $$
The fractional exponent identity used to evaluate general roots.
How to Use It
First, specify the degree of the root (e.g., 2 for Square, 3 for Cube, 4 for Fourth Root). Next, enter the number you want to evaluate (the radicand). The calculator will instantly process the fractional exponentiation.