Square Root Calculator

Find the square root, cube root or any nth root of any positive number — with exact integer detection and high-precision decimal output.

What Does This Tool Do?

Calculate square roots, cube roots or any nth root with high precision. Detects whether the result is a perfect integer and shows the calculation clearly.

Key Features

√
Any Root
Square, cube, 4th, 5th or any custom nth root.
✅
Perfect Detection
Identifies perfect squares, cubes and powers.
🎯
10dp Precision
Up to 10 significant decimal places.
⚡
Instant
Result on click.

How to Use

  1. Enter the number to find the root of.
  2. Select the root type — square, cube, or enter a custom n.
  3. Click Calculate Root.

Frequently Asked Questions

What is a square root?▾
The square root of n is the number x such that x² = n. For example, √144 = 12 because 12² = 144.
What is a perfect square?▾
A perfect square is a number whose square root is an exact integer — e.g. 4, 9, 16, 25, 36…
Can I calculate cube roots of negative numbers?▾
Yes — odd roots of negative numbers are real. For example, ∛(−8) = −2. Even roots of negative numbers are complex and not supported here.