Square Root Calculator

What Is a Square Root Calculator?

The square root calculator is a tool for computing the square root of a number. The square root of a given value is the number that, when multiplied by itself, equals that value. For example, the square root of 9 is 3, because 3 × 3 = 9.

How to Use the Square Root Calculator?

  1. Enter the number you want to take the square root of in the input box.
  2. Click the "Calculate" button, or press Enter on your keyboard.
  3. Click the "Example" button to fill in a sample number and compute it automatically; click "Clear" to reset all inputs and results.

Features

  • Supports positive numbers, negative numbers (a hint is shown when the result is imaginary), and zero.
  • The square root of a negative input is displayed in a mathematically standard form.