Square root calculator

This square root calculator will compute the square root of any number for you. Use it to check your answers.

Guidelines: Enter you number into the box on top and hit the "Calculate" button. Here we go!

Key concept:

Square root of 4 is 2 because 2 times 2 is 4

Square root of 64 is 8 because 8 times 8 is 64

Sometimes, you may get a real number when looking for the square root.

For example, use the square root calculator below to find the square root of 7

The result includes 2.64 with lots of other numbers after the decimal point.



Ready for big time challenge? Just like long division, learn how to compute the square root without a calculator for any number that is not a perfect square.I promise you will not sweat too much!

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