Square Root Calculator

Find the square root, cube root or any root of a number and check if it is a perfect square.

Quick answer: Square Root Calculator: Find the square root, cube root or any root of a number and check if it is a perfect square. Everything runs in your browser, so nothing you enter is uploaded or stored.

How to use Square Root Calculator

  1. Enter your values in the fields.
  2. The results update instantly as you type.
  3. Note or copy the numbers you need.

Features

Frequently asked questions

What is a square root?

It is the number that multiplied by itself gives the original number. The square root of 49 is 7.

Can I take the root of a negative number?

Not as a real number. The square root of a negative number is imaginary, so the tool shows a message.

Is the Square Root Calculator free?

Yes. It is free, needs no signup and works on any device.

More free tools