Math calculator

Square Root Calculator

Calculate square root, square, and cube for a number.

FormulaSquare root of x is the number y where y x y = x

Formula

Square root

Square root of x is the number y where y x y = x

The square root of 144 is 12 because 12 x 12 = 144.

FAQ6 common questions for this calculator.

FAQs

Can I calculate decimal square roots?+

Yes. Decimal inputs are supported.

What happens with negative numbers?+

This calculator returns 0 for negative square roots instead of complex numbers.

How does the Square Root Calculator calculate the result?+

For the Square Root Calculator, it uses the Square root: Square root of x is the number y where y x y = x. The square root of 144 is 12 because 12 x 12 = 144.

What information do I need to use the Square Root Calculator?+

For the Square Root Calculator, enter the known quantities requested by the calculator and use the units implied by the Square root. If a value is unknown, choose a calculator that solves for that specific variable.

How accurate is the Square Root Calculator?+

Square Root Calculator is mathematically reliable for the entered values and selected operation. It follows the Square root. Rounding, order of operations, and undefined cases can still affect interpretation.

What should I check before using the Square Root Calculator result?+

For the Square Root Calculator, check the input values, operation order, rounding precision, and undefined cases before using the result. Compare one changed value at a time when testing scenarios.

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Math guide

How to use the Square Root Calculator

Calculate square root, square, and cube for a number. The page also explains the square root and shows a practical example: The square root of 144 is 12 because 12 x 12 = 144.

  1. 1

    Enter your details

    Enter the values for the square root calculator scenario you want to check.

  2. 2

    Check the calculation

    Review the result alongside the square root: Square root of x is the number y where y x y = x.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the square Root Calculator result before you use the estimate.