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Square Root Calculator
Find the square root, square and cube root of any number instantly.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
How do you find a square root without a calculator?+
Estimate and refine: pick a guess g, then average g and nΓ·g repeatedly (the Babylonian method). Two or three rounds gets very close.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Learn more
- Square Root Calculator: formula and example
- square root calculator explained
- Common mistakes with square root calculator