Square Root Calculator
Calculate the square root of n
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Square root—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- √144 → 12
- √50 → 7.0710678
Formula
√n is the number that, multiplied by itself, gives n. Perfect squares such as 1, 4, 9, 16 and 144 have whole-number roots; every other value is irrational and is rounded for display. Negative inputs have no real square root.
About Square Root Calculator
Calculate the square root of n. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the Square Root Calculator accurate? +
Yes, the Square Root Calculator gives precise results using standard mathematical formulas, with no rounding errors in typical use.
Is the Square Root Calculator free to use? +
Yes, it is completely free with no registration or download required.
Does the Square Root Calculator work on mobile? +
Yes, it works on any device with instant, in-browser results.