Square Root Calculator

Calculate the square root of any number.

Square Root
12
Cube Root
5.241
Perfect Square?
Yes
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What is Square Root Calculator?

A square root calculator finds the square root of a number, showing both the exact and decimal forms.

Square roots appear in geometry, physics, and statistics.

How does the Square Root Calculator work?

√x = y where y² = x

The calculator computes the principal (positive) square root.

It also shows the square and cube root for comparison.

How to use the Square Root Calculator?

  1. Enter a number.
  2. The calculator shows the square root and related roots.

Example

Try the calculator with your own numbers

  1. Enter your values in the input fields above.
  2. Adjust the values to match your situation.
  3. The result updates instantly as you change the inputs.
Your result appears instantly — no manual calculation needed.

Benefits of using the Square Root Calculator

  • Solve geometry and physics problems.
  • Check calculations quickly.
  • Understand irrational numbers.

Who should use the Square Root Calculator?

  • Students practising problems and verifying homework answers.
  • Teachers preparing examples and checking student work.
  • Engineers and analysts who need quick, reliable calculations.
  • Anyone who wants to double-check manual arithmetic.

Tips for getting the most out of the Square Root Calculator

  • Check your inputs for typos — a single wrong digit changes the result completely.
  • Use the result to verify your manual working, not to replace understanding.
  • Try a simple case first (like 0 or 1) to make sure the output makes sense.

Frequently Asked Questions

Can I take the square root of a negative number?

Not in real numbers — the result is an imaginary number (i√|x|).

What is a perfect square?

A number whose square root is a whole number, like 16 (√16 = 4).

The Square Root Calculator turns a tedious calculation into an instant answer, so you can focus on understanding the concept instead of the arithmetic.

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