Find a Free Online Square Root Calculator

These free online square root calculators help you quickly and easily find the square root of a number. The square root of a number is the number or factor that can be multiple to get the origin number. For example, the square root of 4 is 2 as 2 x 2 is equal to 4. You can use these free online calculators to check the square root of any number.

Our List of the Best Free Online Square Root Calculators

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How many square roots does a normal positive number/integer have?

A positive number or integer has two square roots, including a positive and negative root. Usually, the positive square root or the principal square root is assumed when taking the root of a number.

Do negative numbers have square roots?

A negative number cannot be square rooted in the space of real numbers. Any number squared or multiplied together will produce a positive number as a result. Without understanding the field of imaginary numbers, it is impossible to find the square root of a negative number.