Square root calculator
Find square roots and nth roots, with a simplified radical form.
How to use
Square root calculator lets you find square roots and nth roots, with a simplified radical form. Enter your numbers in the fields and the result updates instantly as you type — no button to press.
It uses standard formulas and shows the result immediately; you can copy any value with one click. It's completely free, with no sign-up, no watermarks and no limits on how often you use it.
Examples
Change any input and every figure recalculates live, so you can compare scenarios in seconds.
Once square root calculator shows your output, use the copy or download button to grab it — no retyping.
Frequently asked questions
Is Square root calculator free to use?
Yes. Square root calculator is completely free with no sign-up, no watermarks and no usage limits.
Is my data private?
Yes. It uses standard formulas and shows the result immediately; you can copy any value with one click.
Does Square root calculator work on mobile?
Yes. It works in any modern browser on desktop, tablet or phone, and keeps working offline once the page has loaded.
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