Root Calculator (Square, Cube & Nth Root)

Math Tools

Square root, cube root and any root with simplified form

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Number
Root degree (2 = square root)
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  2. Press Copy code.
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Height

The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.

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Root Calculator (Square, Cube & Nth Root) — at a glance

Take any root of a number and see it in simplest form.

You enter
72
root 2
Calculate Root
Result
√72 = 6√2 ≈ 8.485

How to use it — step by step

The number and the root degree.

1

Enter your values

Fill in the fields. Default numbers are shown so you can see how it works.

2

Press Calculate Root

The answer appears at once as large result cards.

3

Copy or share

Copy the result, or share a link that opens with your numbers filled in.

Pro tips

Small things that make the result better.

✦Odd roots of negative numbers work, even roots do not.
✦Perfect squares have whole-number roots.
✦Degree 2 is a square root, 3 a cube root.

Quick facts

Freeno signup
Privateruns in your browser
Instantresult in a second
No limituse it as often as you like

Frequently Asked Questions

What is a simplified radical?+

Pulling out the largest square factor, so √72 becomes 6√2.

Can I take the root of a negative?+

Only odd roots, like the cube root of -8, which is -2.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

Is this tool really free?+

Yes — completely free, no signup, no watermark and no usage limit.

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