Math
Square Root Calculator
Square Root Calculator is free to use. Enter your figures below and the result updates as you type. Use it for planning; it is an estimate, not advice.
About the Square Root Calculator
√x is the number r where r × r = x. Perfect squares such as 144 give whole-number roots.
Use it for area-to-side problems: the side of a square with area A is √A.
How to use the Square Root Calculator
- Enter each figure in the boxes above, using the same currency and time units.
- The result updates as you type. Press Calculate to refresh it at any time.
- Change one figure at a time to see how much it moves the result.
Frequently asked questions
What is the Square Root Calculator used for?
Use it for area-to-side problems: the side of a square with area A is √A.
How accurate is the Square Root Calculator?
It applies standard formulas to the figures you enter. Real results depend on actual rates, fees, taxes and timing, so treat the output as an estimate and confirm with your bank or adviser.
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