Root Calculator

Find square root, cube root, or any custom root of a number in seconds.

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What Is a Root Calculator?

A root calculator helps you find the root of a number, such as its square root (√), cube root (∛), or any custom nth root. It’s useful for math students, engineers, and everyday problem solving.

How to Use This Tool

  • Select the type of root (square, cube, or custom).
  • Enter the number you want to calculate.
  • For custom roots, add the root degree (e.g., 4 for 4th root).
  • Click "Calculate" to get the answer.

Root Formulas

  • Square Root Formula: √x = x½
  • Cube Root Formula: ∛x = x⅓
  • nth Root Formula: ⁿ√x = x1/n

Example: 41/2 = 2 (Square Root of 4)

Why Use an Online Root Calculator?

  • Avoid manual errors
  • Supports any positive number
  • Quick and mobile-friendly
  • Great for learning and practice

Frequently Asked Questions

What is the square root of a number?

The square root of a number is a value that, when multiplied by itself, gives the original number. For example, √25 = 5.

What’s the cube root?

The cube root of a number is the number that, when used three times in multiplication, gives the original number. ∛27 = 3.

Can I calculate any root?

Yes. You can use the "Custom Root" option and input the degree (e.g., 5 for 5th root).

Does this tool work on mobile?

Absolutely. This calculator is designed to be mobile-friendly and responsive.

Is this root calculator free?

Yes! You can use it as many times as you want, free of charge.

What is a third square root calculator?

A third square root calculator finds the cube root of a number, meaning it calculates a number that gives you the original number when multiplied by itself three times.