Education tool

Root Calculator

Find the square root of a positive number quickly.

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How To Use Root Calculator

Quick notes to help you understand the result before you act on it.

Overview

Use this root calculator to find the square root of a number.

It is handy for school math, geometry, and quick checks.

Square Root Meaning

  • The square root of a number is the value that gives the original number when multiplied by itself.
  • For example, the square root of 144 is 12.

Practical Tips

  • Use a non-negative number for real square roots.
  • For other roots, use a scientific calculator.

FAQ

Common questions about this tool.

What root does this calculator find?

It finds the square root.

Can I enter zero?

Yes. The square root of zero is zero.